1 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
3 * function.c (assign_stack_local_1): Restrict sanity check
4 on frame size overflow to 32-bit and above platforms.
6 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
8 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
9 * config/cris/cris.c: Include reload.h.
10 (cris_initial_elimination_offset): New function.
11 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
14 2005-11-12 Richard Guenther <rguenther@suse.de>
16 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
18 2005-11-12 Jan Hubicka <jh@suse.cz>
20 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
21 to compare against 0 when possible.
23 2005-11-12 Jie Zhang <jie.zhang@analog.com>
25 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
26 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
27 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
28 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
31 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
33 * recog.c (constrain_operands) <case 'g'>: For a match, require
34 that a non-register matches general_operand when strict >= 0.
36 2005-11-11 Steven Bosscher <stevenb@suse.de>
38 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
41 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
43 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
44 (memory_address_same): New.
45 (dse_optimize_stmt): Call memory_address_same.
47 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
50 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
51 ZERO_EXTEND>: New cases.
53 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
55 * longlong.h (__clz_tab): Always provide.
57 2005-11-11 Steven Bosscher <stevenb@suse.de>
60 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
62 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
63 before check_maybe_invariant.
64 (move_invariant_reg): Use gen_move_insn instead of replacing
65 SET_DEST with the temporary for the invariant.
66 (move_loop_invariants): If checking is enabled, do internal
67 consistency checks after completing the pass.
69 2005-11-11 David Edelsohn <edelsohn@gnu.org>
72 * common.opt (Wvolatile-register-var): New.
73 * varasm.c (make_decl_rtl): Only emit warning when option
74 specified. Clarify warning message.
75 * doc/invoke.texi (Wvolatile-register-var): Document new option.
77 * doc/md.texi (copysign): Document standard named pattern.
79 2005-11-11 Jie Zhang <jie.zhang@analog.com>
81 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
82 bytes when align is 2.
83 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
84 by the first instruction of the loop.
86 2005-11-11 Jason Merrill <jason@redhat.com>
89 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
92 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
94 PR rtl-optimization/22509
95 * local-alloc.c (memref_used_between_p): Check whether a function call
96 could not reference the memref.
98 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
100 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
101 algorithm so as to choose the best, not the worst, alternative.
102 Reset accumulated register class before processing next alternative.
104 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
107 * calls.c (expand_call): Copy a return value to a plain register
110 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
113 * varasm.c (assemble_name): Recompute name only for transparent
116 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
118 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
120 2005-11-04 Jeff Law <law@redhat.com>
123 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
124 perform reassociation if the parent statement will not die as
125 a result of the optimization.
127 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
129 * tree-ssa-alias.c (compute_may_aliases): Remove call to
130 delete_old_heap_vars.
131 * tree-dfa.c (referenced_var_remove): Remove function.
132 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
133 (delete_tree_ssa): Remove call to delete_old_heapvars.
134 Add call to delete_alias_heapvars.
135 * tree-flow.h (referenced_var_remove): Remove prototype
136 (init_alias_heapvars): New prototype.
137 (delete_alias_heapvars): Ditto.
138 * Makefile.in (tree-ssa-structalias.o): Add
139 gt-tree-ssa-structalias.o
140 (GTFILES): Add tree-ssa-structalias.h and
141 tree-ssa-structalias.c.
142 (s-gtype): Add gt-tree-ssa-structalias.h.
143 * tree-ssa-structalias.c (heapvars): Remove.
144 (oldheapvars): Remove.
145 (heapvar_for_stmt): New variable.
146 (heapvar_lookup): New function.
147 (heapvar_insert): Ditto.
148 (get_constraint_for): See if we have an old heapvar
150 (init_alias_heapvars): New function.
151 (delete_alias_heapvars): Ditto.
152 Add include of gt-tree-ssa-structalias.h.
154 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
157 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
159 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
161 * tree.c (int_fits_type_p): Only look at the base type
162 if it has the same precision as the original type.
164 2005-11-10 Jakub Jelinek <jakub@redhat.com>
167 * varasm.c (assemble_alias): Use %q+D in the error
168 message instead of %J and %qD.
170 2005-11-10 Richard Guenther <rguenther@suse.de>
172 * gcse.c (free_ldst_entry): Only free hashtable if
175 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
177 * function.c (assign_stack_local_1): Issue an error message if
178 the frame size overflows in the signed target arithmetics.
180 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
182 * tree.c (build_qualified_type): Chain the new type to the original
183 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
184 a POINTER_TYPE or a REFERENCE_TYPE respectively.
185 (build_pointer_type_for_mode): Only return unqualified types.
186 (build_reference_type_for_mode): Likewise.
188 2005-11-09 Jakub Jelinek <jakub@redhat.com>
190 * Makefile.in (gnucompare): Do comparison of all files using one of
191 the chosen methods and only afterwards decide if just warning should
192 be issued or comparison failure raised.
194 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
196 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
197 (noce_try_abs): Negate if the comparison is reversed.
198 Look only one instruction backwards for a REG_EQUAL note.
200 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
203 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
204 gthr-tpf.h: Define __gthrw. For all identifiers that might
205 be weak, introduce weakrefs or non-weak aliases with __gthrw,
206 and prefix all uses with __ghtrw.
208 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
211 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
212 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
213 * c-common.c (handle_weakref_attribute): New.
214 (c_common_attribute_table): Add weakref.
215 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
217 * configure, config.in: Rebuilt.
218 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
219 * doc/extend.texi: Document weakref attribute.
220 * varasm.c (ultimate_transparent_alias_target): New
221 (assemble_name): Use it.
222 (weak_finish_1): Split out of...
223 (weak_finish): ... and deal with weakrefs in...
224 (weakref_targets): ... new list.
225 (globalize_decl): Clean up weakref_targets.
226 (do_assemble_alias): Handle weakrefs.
227 (finish_aliases_1): Do not reject weakrefs to external symbols.
228 (assemble_alias): Handle weakrefs.
230 2005-11-09 Richard Guenther <rguenther@suse.de>
232 PR tree-optimization/24716
233 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
234 t_bool to track results from follow_ssa_edge.
236 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
238 * final.c (force_source_line): New global variable.
239 (final_scan_insn): Set it to true instead of clearing last_filename.
240 (notice_source_line): Return true if force_source_line is true,
241 unless source info is absent.
243 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
246 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
247 a linkage name for a variable if it a register variable.
248 * c-decl.c (grokdeclarator): Global register variables
249 should be set as PUBLIC.
251 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
254 * config/s390/s390.c (struct s390_frame_layout): New fields
255 first_save_gpr_slot and last_save_gpr_slot.
256 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
257 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
258 first_save_gpr and last_save_gpr with the _slot variants.
259 (s390_register_info): Calculate first_save_gpr_slot and
260 last_save_gpr_slot using regs_ever_live.
262 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
265 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
266 for a function containing a landing pad.
268 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
271 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
274 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
276 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
277 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
279 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
282 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
284 (call,load,store): New insn types.
285 (mem_access, branch_access): Adjust reservation conditions.
286 (define_delay): Adjust condition.
287 (decrement_and_branch_until_zero): Allow for ms2. Set branch
289 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
290 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
292 (call_internal, call_value_internal, return_internal,
293 return_interrupt_internal, eh_return_internal, indirect_jump,
294 tablejump): Set call insn type.
295 (blockage, ei, di): Use appropriate unspec const.
296 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
297 (ms1_get_attr_type): Adjust to give load & store types.
298 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
299 backwards past a barrier.
300 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
302 (struct branch_info, struct label_info): New.
304 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
305 (ms1_machine_reorg): New.
306 (TARGET_MACHINE_DEPENDENT_REORG): Override.
307 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
308 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
309 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
312 2005-11-09 Per Bothner <per@bothner.com>
313 Uros Bizjak <uros@kss-loka.si>
316 * toplev.c (process_options): Initialize debug_hooks early
317 in case lang_hooks.post_options ends up calling a debug_hook.
319 2005-11-08 Jakub Jelinek <jakub@redhat.com>
321 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
322 DBX_REGISTER_NUMBER being contiguous.
324 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
325 Diego Novillo <dnovillo@redhat.com>
328 * tree-vrp.c (register_edge_assert_for): Do not register
329 always-false predicates.
331 2005-11-08 Devang Patel <dpatel@apple.com>
333 PR tree-optimization/23115
334 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
337 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
339 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
342 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
344 Fix PR tree-optimization/23382
346 * tree-ssa-alias.c (compute_may_aliases): Call
347 delete_old_heap_vars.
348 * tree-dfa.c (referenced_var_remove): New function.
349 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
350 * tree-flow.h (referenced_var_remove): Add prototype.
351 (delete_old_heap_vars): Ditto.
352 * tree-ssa-structalias.c (heapvars): New variable.
353 (oldheapvars): Ditto.
354 (get_constraint_for): Put heap vars on heapvars list.
355 (delete_old_heap_vars): New function.
357 2005-11-08 Jason Merrill <jason@redhat.com>
359 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
361 2005-11-08 Uros Bizjak <uros@kss-loka.si>
364 * reg-stack.c (reg_to_stack): Update register liveness also
365 for flag_sched2_use_traces.
367 2005-11-08 Alan Modra <amodra@bigpond.net.au>
370 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
371 override prior explicit -mno-powerpc-gfxopt.
373 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
375 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
376 if the bitsize is zero.
377 * doc/md.texi (Standard Pattern Names): Document it.
379 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
380 (TARGET_PASS_BY_REFERENCE): Likewise.
382 2005-11-07 Ian Lance Taylor <ian@airs.com>
384 PR rtl-optimization/24683
385 * config/i386/i386.c (legitimize_pic_address): If constant operand
386 to PLUS is too large, put it in a register.
388 2005-11-07 Jie Zhang <jie.zhang@analog.com>
390 * configure.ac: Enable checking assembler dwarf2 support for bfin
392 * configure: Regenerate.
394 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
398 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
399 gen_easy_vector_constant_add_self): Delete.
400 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
402 (output_vec_const_move): Use gen_easy_altivec_constant.
403 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
404 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
405 (easy_vector_constant_add_self): Rewritten.
406 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
407 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
408 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
409 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
410 Macroize and adjust for the other changes.
412 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
416 * c-typeck.c (build_c_cast): Try using a shared constant, and see
417 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
419 2005-11-07 Jakub Jelinek <jakub@redhat.com>
421 PR rtl-optimization/23567
422 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
423 (noce_process_if_block): Don't do any optimizations except
424 if (cond) x = x; if !set_b and write into orig_x may trap
425 or fault. Remove the MEM_READONLY_P check.
427 2005-11-06 Diego Novillo <dnovillo@redhat.com>
430 * tree-vrp.c (fix_equivalence_set): New.
431 (extract_range_from_assert): Call it.
433 2005-11-05 Ian Lance Taylor <ian@airs.com>
436 * combine.c (apply_distributive_law): Don't distribute across a
439 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
441 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
442 config/ms1/ms1.h, config/rs6000/predicates.md,
443 config/s390/s390.c, params.def, postreload-gcse.c,
444 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
445 tree-vrp.c, tree.c: Fix comment typos.
446 * doc/invoke.texi: Fix typos.
448 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
450 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
451 for testing whether the data_dependence_relation contains distance
452 vectors. Iterate over all distance vectors of the ddr.
453 * lambda.h: Define a vec of lambda_vector pointers.
454 * tree-data-ref.c (dump_data_dependence_relation,
455 dump_data_dependence_direction): Iterate over all distance and
456 direction vectors of the ddr.
457 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
459 (build_classic_dist_vector, build_classic_dir_vector): Push a set
460 of distance/direction vectors instead of a single one.
461 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
462 lambda_vectors with a vec of lambda_vectors.
463 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
464 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
465 DDR_NUM_DIST_VECTS): New.
466 * tree-loop-linear.c (gather_interchange_stats): Test for the
467 existence of distance vectors only after having checked that there
468 is a dependence. Iterate over all distance vectors of the ddr.
469 (linear_transform_loops): Use dump_data_dependence_relation.
470 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
471 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
472 distance vectors of the ddr.
474 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
476 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
477 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
478 IS_INTHANDLER; all callers changed.
479 (n_regs_saved_by_prologue): Take interrupt handler attributes into
481 (do_link, do_unlink): New argument ALL; all callers changed.
482 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
483 If function isn't leaf, save and restore all registers.
484 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
487 2005-11-05 Jan Hubicka <jh@suse.cz>
489 PR rtl-optimization/23490
490 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
491 max-flow-memory-location): Document.
492 * flow.c: Include params.h
493 (MAX_MEM_SET_LIST_LEN): Kill.
494 (add_to_mem_set_list): Use new param.
495 * cse.c (cse_basic_block): Replace 1000 by new param.
496 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
497 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
498 * predict.c (predict_loops): Use new param.
499 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
501 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
502 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
503 Do not hold memory returned by cgraph_node_name across other call.
505 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
508 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
511 2005-11-04 Jeff Law <law@redhat.com>
514 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
515 * tree-ssa-dom.c: Include params.h.
516 (thread_across_edge): If there are too many statements in the
517 target block, then do not thread through it.
518 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
519 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
521 2005-11-03 Diego Novillo <dnovillo@redhat.com>
524 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
525 TODO_update_ssa instead of TODO_update_ssa_no_phi.
527 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
530 * tree-scalar-evolution.c (instantiate_parameters_1,
531 instantiate_parameters, resolve_mixers): Compute the size of an
532 expression to be instantiated and give up the instantiation if the
533 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
535 2005-11-04 Richard Guenther <rguenther@suse.de>
537 * tree-flow.h (ref_contains_indirect_ref): Rename to
538 array_ref_contains_indirect_ref.
539 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
540 (array_ref_contains_indirect_ref): Make comment match the code
542 (ref_contains_array_ref): Likewise.
543 * tree-ssa-structalias.c (find_func_aliases): Remove call to
544 ref_contains_indirect_ref.
545 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
546 Rename calls to ref_contains_indirect_ref.
548 2005-11-04 Paul Brook <paul@codesourcery.com>
550 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
551 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
552 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
553 * config/arm/arm.md: Use match_operand in peephole input templates
554 and match_dup in peephole output templates.
556 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
558 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
561 2005-11-04 Mark Mitchell <mark@codesourcery.com>
562 Daniel Jacobowitz <dan@codesourcery.com>
564 * longlong.h (add_ssaaaa): Clobber condition code register
566 (sub_ddmmss): Likewise.
567 (umul_ppmm): Likewise.
569 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
570 Paul Brook <paul@codesourcery.com>
571 Phil Blundell <pb@reciva.com>
573 * configure.ac: Add test for ARM TLS support.
574 * configure: Regenerated.
575 * config/arm/arm-protos.h (legitimize_tls_address)
576 (arm_tls_referenced_p, tls_mentioned_p)
577 (arm_output_addr_const_extra): New prototypes.
578 (thumb_legitimize_pic_address): Delete.
579 * config/arm/arm.c: Include "gt-arm.h".
580 (enum tls_reloc): New.
581 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
582 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
583 (arm_call_tls_get_addr, legitimize_tls_address)
584 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
585 (arm_init_tls_builtins, arm_emit_tls_decoration)
586 (arm_output_addr_const_extra): New functions.
587 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
588 (TARGET_HAVE_TLS): Define.
589 (target_thread_pointer): New.
590 (arm_override_options): Handle -mtp=.
591 (legitimize_pic_address): Ignore UNSPECs.
592 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
594 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
595 (tls_get_addr_libfunc): New variable.
596 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
597 (arm_init_builtins): Call arm_init_tls_builtins.
598 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
599 (arm_encode_section_info): Call default_encode_section_info.
600 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
601 (enum arm_tp_type): New.
602 (target_thread_pointer): Add declaration.
603 (LEGITIMATE_CONSTANT_P): Handle TLS.
604 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
605 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
606 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
607 * config/arm/arm.md: Add UNSPEC_TLS.
609 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
611 (tls_load_dot_plus_eight): New insn and a peephole to create it.
612 (load_tp_hard, load_tp_soft): New insns.
613 * arm.opt: Add -mtp=.
614 * doc/invoke.texi (ARM Options): Document -mtp.
616 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
618 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
619 * config/arm/libunwind.S: Include "lib1funcs.asm".
620 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
621 (LIB2ADDEH): Add libunwind.S.
622 (LIB2ADDEHDEP): Add lib1funcs.asm.
623 * mklibgcc.in: Handle asm files in libgcc_eh.a.
625 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
628 * gcc/c.opt: Add a -lang-fortran option.
629 * gcc/c-opts.c: Add a lang_fortran flag.
630 (c_common_init_options): Handling the -lang-fortran option.
631 (c_common_handle_option): Add a case for Fortran options in
632 preprocessing. Remove cases for -ffixed-form and
633 -ffixed-line-length. Add a case for -lang-fortran.
635 2005-11-03 David Edelsohn <edelsohn@gnu.org>
637 * config/rs6000/rs6000.c: Include params.h
638 (optimization_options): Set max-grow-copy-bb-insns default to 16.
639 (bdesc_2arg): Delete vpkuhss and vpkuwss.
640 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
641 (UNSPEC_VPKUWSS): Delete.
642 (altivec_vpkuhss): Delete.
643 (altivec_vpkuwss): Delete.
644 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
646 (neg_eq0<mode>): Remove final condition.
647 (neg_eq<mode>): Remove condition and split-condition.
649 2005-11-04 Alan Modra <amodra@bigpond.net.au>
651 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
652 Use associated print macros.
654 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
657 * diagnostic.c (diagnostic_set_info_translated): New function.
658 (diagnostic_set_info): Use it. Add comment.
659 * diagnostic.h (diagnostic_set_info_translated): Declare.
661 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
663 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
664 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
665 reference only if 'public' is true.
666 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
667 emit the .hidden directive only if the indirect reference is public.
668 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
669 Pass it to dw2_force_const_mem.
670 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
671 * dwarf2out.c (output_cfi): Adjust calls to above function.
672 (output_call_frame_info): Likewise.
673 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
674 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
676 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
678 PR tree-optimization/24483
679 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
680 field to elts if possible.
682 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
685 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
688 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
690 Fix PR tree-optimization/24351
692 * tree-ssa-structalias.c (struct variable_info): Add
694 (get_varinfo_fc): New function to follow collapsing.
695 (new_var_info): Set collapsed_to to NULL.
696 (dump_constraint): Follow collapsing.
697 (build_constraint_graph): Handle collapsing.
698 (do_simple_structure_copy): Return false if something bad
700 (collapse_rest_of_var): New function.
701 (do_structure_copy): Collapse if do_simple_structure_copy returns
704 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
707 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
708 expressions to a statement list instead of gimplifying them.
710 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
712 PR rtl-optimization/23585
713 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
714 that can't trap plus a constant integer, if the mode has zero size.
716 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
719 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
721 ("*insv<mode>_reg_extimm"): Likewise.
723 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
726 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
727 c_common_type_for_mode returns an unnamed type.
729 2005-11-02 Richard Henderson <rth@redhat.com>
733 * dwarf2out.c (dwarf2out_reg_save_reg): New.
734 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
735 * function.c (assign_parms): Use calls.internal_arg_pointer.
736 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
738 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
739 (TARGET_CALLS): Add it.
740 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
741 * targhooks.c (default_internal_arg_pointer): New.
742 * targhooks.h (default_internal_arg_pointer): Declare.
743 * tree.h (dwarf2out_reg_save_reg): Declare.
744 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
745 * config/i386/i386.c (dbx_register_map): Add return column.
746 (dbx64_register_map, svr4_dbx_register_map): Likewise.
747 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
748 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
749 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
750 (ix86_save_reg): Save force_align_arg_pointer.
751 (ix86_emit_save_regs): Make regno unsigned.
752 (ix86_emit_save_regs_using_mov): Likewise.
753 (ix86_expand_prologue): Handle force_align_arg_pointer.
754 (ix86_expand_epilogue): Likewise.
755 * config/i386/i386.h: (dbx_register_map): Update.
756 (dbx64_register_map, svr4_dbx_register_map): Update.
757 (struct machine_function): Add force_align_arg_pointer.
758 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
759 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
760 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
762 2005-11-02 Jan Hubicka <jh@suse.cz>
765 * i386.md: Add peep2 for simplyfing array accesses.
767 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
770 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
771 * config/s390/s390.c (s390_decompose_shift_count): New function.
772 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
773 (print_shift_count_operand): Use s390_decompose_shift_count.
774 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
775 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
777 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
780 * loop.c (loop_givs_rescan): Use force_operand to expand
783 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
786 * fold-const.c (build_range_check): Use unsigned when signed
787 overflow is undefined also. If etype is subtype, make sure that
788 the subtraction is in the supertype.
790 2005-11-02 Richard Henderson <rth@redhat.com>
793 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
796 2005-11-01 Richard Henderson <rth@redhat.com>
799 * loop.c (scan_loop): Do not propagate computations to a hard
800 register destination with SMALL_REGISTER_CLASSES.
802 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
804 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
805 costs for MULT inside PLUS or MINUS.
807 2005-11-01 Bob Wilson <bob.wilson@acm.org>
809 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
810 (TRAMPOLINE_SIZE): Round up to 60.
811 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
813 2005-10-31 James E. Wilson <wilson@specifix.com>
816 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
817 ifdef. Put ifdefs around call in gen_subprogram_die.
818 (compute_frame_pointer_to_cfa_displacement): Likewise.
819 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
822 PR rtl-optimization/17356
823 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
824 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
826 2005-10-31 Jan Hubicka <jh@suse.cz>
829 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
832 * i386.c (legitimize_pic_address): Deal with large immediates.
835 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
836 from symbol names while computing checkup.
839 * predict.c (predict_loops): Do not estimate more than
840 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
841 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
843 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
845 PR tree-optimization/19097
846 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
848 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
850 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
852 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
855 * tree-inline.c (setup_one_parameter): If the init_stmt
856 is NULL, don't insert the statement.
858 2005-10-30 Jan Hubicka <jh@suse.cz>
860 PR tree-optimization/24172
861 * tree-inline.c (copy_body_r): Unshare the substituted value first.
863 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
865 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
866 constants for hosts with long != 32 bits.
868 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
871 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
873 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
875 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
876 (TARGET_MS1_16_002): New.
877 (TARGET_MS1_16_003): New.
879 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
880 ("*decrement_and_branch_until_zero_no_clobber"): New.
881 Add corresponding splitter for decrement_and_branch_until_zero
883 Key all decrement_and_branch_until_zero patterns off of
886 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
889 * tree-complex.c (extract_component): Treat RESULT_DECL
890 like the rest of the decls.
892 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
894 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
895 indirect call to _mcount if the function needs a static chain.
897 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
898 Caroline Tice <ctice@apple.com>
900 PR rtl-optimization/24460
901 * dwarf2out.c (have_switched_text_sections): New boolean variable.
902 (dwarf2out_switch_text_section): Set it to true instead of
903 incrementing separate_line_info_table_in_use.
904 (output_loc_list): Additionally test have_switched_text_sections.
905 (output_ranges): Likewise.
906 (dwarf2out_finish): Likewise.
907 * varasm.c (assemble_start_function): Do not call
908 insert_section_boundary_note.
909 (assemble_end_function): If flag_reorder_blocks_and_partition,
910 switch to the function's section before emitting the .size directive.
911 * bb-reorder.c (insert_section_boundary_note): Staticify.
912 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
913 * output.h (insert_section_boundary_note): Delete.
915 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
918 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
919 instead of pointer equality when comparing types.
921 2005-10-24 James E. Wilson <wilson@specifix.com>
923 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
924 add_dependence_list_and_free calls.
926 2005-10-24 Steven Bosscher <stevenb@suse.de>
928 * contrib.texi: Add the names of the LLNL folks who donated
929 Cray pointer support for gfortran.
931 2005-10-24 Steven Bosscher <stevenb@suse.de>
933 PR tree-optimization/24225
934 * profile.c (branch_prob): Look from end to start through a
935 basic block when looking for a locus.
937 2005-10-24 Richard Henderson <rth@redhat.com>
939 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
941 (hppa_expand_prologue): Likewise.
943 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
945 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
946 (NO_DEFERRED_PROFILE_COUNTERS): Define.
947 * pa.h (NO_PROFILE_COUNTERS): Define.
948 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
949 (funcdef_nos): New vector to hold label numbers of deferred profile
951 (output_deferred_profile_counters): New function.
952 (hppa_profile_hook): Push label number onto funcdef_nos.
953 (pa_hpux_file_end): Call output_deferred_profile_counters if
954 NO_DEFERRED_PROFILE_COUNTERS is false.
956 * pa-protos.h (get_deferred_plabel): New prototype.
957 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
959 (output_call): Adjust calls.
961 2005-10-24 Alan Modra <amodra@bigpond.net.au>
963 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
964 peculiarity of GOT/TOC section usage.
966 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
969 * c-common.c (constant_string_class_name): Add documentation.
971 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
974 * recog.c (peephole2_optimize): Increment peep2_current_count
975 only when the slot is empty.
977 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
980 * except.c (output_function_exception_table): Call
981 assemble_external_libcall if we need a personality function.
983 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
985 PR rtl-optimization/24460
986 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
987 set the basic block for barriers.
989 2005-10-21 Janis Johnson <janis187@us.ibm.com>
991 * var-tracking.c (vt_initialize): Initialize post.
993 2005-10-21 Devang Patel <dpatel@apple.com>
996 * c-common.c (vector_types_convertible_p): Check vector element type.
998 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
1000 * config/sh/sh.c (prepare_move_operands): Handle the address
1001 constant which is a tls symbolic address plus a constant.
1003 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
1006 * gcc.c (main): Use the correct counter for erroring out
1007 about mulitple files.
1009 2005-10-21 Alan Modra <amodra@bigpond.net.au>
1012 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
1013 use r2 for 64-bit tls .got access.
1015 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
1017 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
1020 2005-10-20 Steven Bosscher <stevenb@suse.de>
1022 PR tree-optimization/24307
1023 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
1025 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
1028 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
1030 * varasm.c (find_decl_and_mark_needed): After cgraph global info
1031 is ready, stop marking functions, but still mark variables.
1033 2005-10-20 Richard Guenther <rguenther@suse.de>
1036 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
1039 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
1041 PR rtl-optimization/23585
1042 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
1043 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
1044 (may_trap_p_1): New predicate extracted from...
1045 (may_trap_p): ... here. Invoke may_trap_p_1.
1046 (may_trap_or_fault_p): New predicate.
1047 * rtl.h (may_trap_or_fault_p): Declare it.
1048 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
1049 instead of may_trap_p.
1050 (steal_delay_list_from_fallthrough): Likewise.
1051 (fill_simple_delay_slots): Likewise.
1052 (fill_slots_from_thread): Likewise.
1053 * function.c (pad_to_arg_alignment): Rework comment about
1054 SPARC_STACK_BOUNDARY_HACK.
1055 * config/sparc/sparc.h: Likewise.
1057 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
1059 * config/s390/s390.c (s390_expand_insv): New.
1060 * config/s390/s390-protos.h (s390_expand_insv): Declare.
1061 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
1062 ("icm_hi"): Remove mode attribute.
1063 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
1065 ("*extracthi", "*extractqi"): Remove.
1066 (extv<mode>", "*extzv<mode>"): New.
1067 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
1068 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
1070 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1072 * cfgexpand.c (discover_nonconstant_array_refs_r,
1073 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
1074 (tree_expand_cfg): Call discover_nonconstant_array_refs.
1075 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
1076 discover_nonconstant_array_refs.
1078 2005-10-19 Steven Bosscher <stevenb@suse.de>
1081 * c-decl.c (pop_scope): Don't warn about an unused variable
1082 if it is marked with TREE_NO_WARNING.
1083 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
1084 somenow mismatch and olddecl is to be replaced.
1086 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
1089 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
1090 whether registers live on the edge can be saved/restored.
1092 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
1094 * config/sh/sh.c (fixup_mova): Skip notes.
1096 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1098 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
1099 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
1100 (s390_can_eliminate): Handle BASE_REGNUM elimination.
1101 (s390_initial_elimination_offset): Likewise.
1102 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
1103 register on TARGET_ZARCH targets.
1104 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
1105 (INITIAL_FRAME_POINTER_OFFSET): Remove.
1106 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
1107 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
1109 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
1111 * config/s390/s390.md: Comment describing output modifiers updated.
1112 * config/s390/s390.c (print_operand): Likewise.
1114 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
1116 * config/s390/s390.c (override_options): Added check for -mstack-size
1118 * doc/invoke.texi: Mention that limit in the documenation.
1120 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
1123 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
1125 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
1127 Fix PR tree-optimization/24231
1129 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
1130 (compute_avail): Ditto.
1132 2005-10-18 Richard Henderson <rth@redhat.com>
1135 * config/i386/i386.c (legitimate_constant_p): Check
1136 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
1138 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
1139 (legitimate_pic_address_disp_p): Reorg CONST checking to make
1140 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
1142 (print_operand_address): Likewise.
1143 * config/i386/predicates.md (x86_64_immediate_operand): Test
1144 SYMBOL_REF_TLS_MODEL properly inside CONST.
1145 (x86_64_zext_immediate_operand): Likewise.
1146 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
1147 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
1148 * config/i386/i386-protos.h: Remove predicates.md entries.
1150 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
1152 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1153 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
1155 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
1156 Ian Lance Taylor <ian@airs.com>
1159 * fold-const.c (fold_widened_comparison): Do not allow range based
1160 constant folding when right operand cannot be unwidened.
1162 2005-10-17 Richard Henderson <rth@redhat.com>
1164 * builtins.c (expand_builtin_synchronize): Build a new-style asm
1165 with a memory clobber.
1167 2005-10-17 James E Wilson <wilson@specifix.com>
1169 PR rtl-optimization/17356
1170 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
1171 checking for EDGE_EH.
1173 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
1175 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
1176 the slot on an even boundary for any type with 16-byte alignment.
1178 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
1181 * md.texi (Modifiers) <%>: Clarify that % doesn't work
1182 after register allocation.
1184 2005-10-17 DJ Delorie <dj@redhat.com>
1186 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
1189 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
1192 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
1195 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
1197 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
1198 to 2 if it's already non-zero.
1199 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
1200 is set and warn about it if flag_schedule_insns is 1.
1202 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
1204 * config/crx/crx.md: Compare-and-branch instructions need to
1207 2005-10-17 Uros Bizjak <uros@kss-loka.si>
1210 * config/i386/i386.md (*pushdi2_rex64 splitter)
1211 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
1212 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
1213 flow2 pass only when (optimize > 0 && flag_peephole2).
1215 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
1218 * gcc.c (have_c): New static variable.
1220 (process_command): Remove declation of have_c.
1221 Set have_o to 1 when handling -o.
1222 (main): Add a fatel error if there are multiple
1223 files specified and -o and -c/-S is passed witout
1224 -combine or multiple languages.
1226 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
1228 Fix PR tree-optimization/22444
1229 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
1230 Assert that we don't hit something with subvars.
1231 (setup_pointers_and_addressables): Don't add things with subvars,
1232 because we'll already process the subvars for aliasing purposes.
1234 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
1237 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
1238 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
1239 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
1240 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
1241 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
1242 swapped, alternatives for the R constraint.
1245 * builtins.c (get_builtin_sync_mode): Make unlimited
1246 mode_for_size request.
1248 2005-10-15 Richard Henderson <rth@redhat.com>
1250 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
1251 (gimplify_expr): ... here.
1252 (gimplify_compound_lval): Use it in initial scan loop. Allow
1253 fb_lvalue in base expression.
1255 2005-10-15 Richard Henderson <rth@redhat.com>
1258 * builtins.c (expand_builtin_trap): Export.
1259 * expr.h (expand_builtin_trap): Declare.
1260 * expr.c (expand_assignment): Emit a trap for integral offsets
1261 from registers that weren't reduced to bitpos.
1263 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
1264 (mark_array_ref_addressable): Remove.
1265 * tree-flow.h (mark_array_ref_addressable): Remove.
1266 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
1268 2005-10-15 James E Wilson <wilson@specifix.com>
1271 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
1272 (add_dependence_list_and_free): Likewise.
1273 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
1276 2005-10-15 Diego Novillo <dnovillo@redhat.com>
1280 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
1281 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
1283 (vrp_visit_phi_node): Only prevent infinite iterations when
1284 the previous result and the new result are both VR_RANGEs.
1286 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
1288 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
1291 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1294 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
1297 2005-10-14 Per Bothner <per@bothner.com>
1299 PR preprocessor/21250
1300 * c-ppoutput.c (print_line): Print internal line 0 as 1.
1302 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
1305 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
1306 overflow flags. Refactor some conditionals.
1308 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
1311 * tree-dfa.c (add_referenced_var): Only look at decls which
1312 have TREE_CONSTANT or TREE_READONLY set instead of if
1313 !TREE_PUBLIC or !TREE_CONSTANT.
1315 2005-10-13 James E Wilson <wilson@specifix.com>
1317 * doc/invoke.texi: For -x, add f95-cpp-input.
1318 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
1320 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
1322 PR tree-optimization/24262
1323 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
1324 in loop all the time.
1326 2005-10-12 Richard Henderson <rth@redhat.com>
1329 * tree.h (DECL_TRANSPARENT_UNION): Remove.
1330 * function.c (assign_parm_find_data_types): Don't support it.
1331 * print-tree.c (print_node): Likewise.
1332 * c-common.c (handle_transparent_union_attribute): Likewise.
1333 Use build_duplicate_type.
1334 * tree-inline.c (remap_type_1): Split out of remap_type;
1335 properly remap aggregate fields.
1336 (build_duplicate_type): New.
1337 * doc/extend.texi (Variable Attributes): Remove documentation
1338 for transparent_union.
1340 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1343 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
1344 (gen_stack_pointer_dec): Likewise.
1346 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
1350 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
1352 (struct cxx): Add adjust_class_at_definition target hook.
1353 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
1354 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
1355 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
1356 hook_void_tree. Add to TARGET_CXX.
1357 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
1359 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
1360 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
1361 instead of attribute. Check for dllexport override. Warn if
1362 inconsistent dll linkage. Don't lose old dllimport if decl has
1363 had address referenced. Tweak lookup of dllimport atribute.
1364 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
1365 for target specific rules. Don't add dllimport attribute if
1366 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
1367 dllimport attribute.
1368 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
1369 * varasm.c (initializer_constant_valid_p): Replace
1370 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
1374 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
1375 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
1376 (i[34567]86-*-mingw32*): Likewise.
1378 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
1379 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
1381 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
1382 C++-specific code. Change return value to bool.
1383 (i386_pe_dllimport_p): Likewise.
1384 (associated_type): Simplify and make language-independent
1385 (i386_pe_encode_section_info): Replace override of ambiguous
1386 dllimport symbol refs with a gcc_assert.
1387 (i386_pe_valid_dllimport_attribute_p): Define.
1388 * config/i386/winnt-cxx.c: New file. Define C++ versions of
1389 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1390 i386_pe_adjust_class_at_definition.
1391 * config/i386/winnt-stubs.c: New file. Define stub versions of
1392 lang-specific functions.
1393 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
1394 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1395 i386_pe_adjust_class_at_definition.
1396 (i386_pe_valid_dllimport_attribute_p): Declare.
1397 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
1398 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
1399 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
1402 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
1403 dllimport attribute with test of DECL_DLLIMPORT_P.
1405 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
1407 * combine.c (make_extraction): Correct offset computation.
1409 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
1411 * config/cris/t-linux (LIMITS_H_TEST): Define.
1413 2005-10-12 Richard Henderson <rth@redhat.com>
1416 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
1418 2005-10-12 Richard Guenther <rguenther@suse.de>
1420 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
1422 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
1425 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
1426 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
1429 2005-10-12 Richard Guenther <rguenther@suse.de>
1432 * varasm.c (output_constant): Correct typo from previous
1435 2005-10-11 Ian Lance Taylor <ian@airs.com>
1437 PR rtl-optimization/13931
1438 * combine.c: Revert patch of 2003-05-14, and:
1439 (try_combine): Only set elim_i1 and elim_i2 if the destination is
1440 completely killed in the appropriate insn.
1441 (distribute_notes): Don't skip multiple hard register test for
1442 elim_i1 and elim_i2.
1444 2005-10-11 Richard Henderson <rth@redhat.com>
1447 * c-typeck.c (convert_for_assignment): Use build_constructor_single
1448 to initialize a transparent union instead of a nop_expr.
1450 2005-10-11 Richard Henderson <rth@redhat.com>
1452 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
1453 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
1454 (tree_ssa_dce_loop): Call scev_reset.
1457 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
1458 * tree-ssa-dce.c: Include cfgloop.h.
1459 (tree_ssa_dce_loop, pass_dce_loop): New.
1460 * tree-pass.h (pass_dce_loop): Declare it.
1461 * passes.c (init_optimization_passes): Use it.
1463 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1466 * convert.c (convert_to_real): Revert 2005-10-05 patch.
1467 Only apply the optimization for rounding builtins if the inner
1468 cast is also an extension.
1470 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
1473 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
1474 mark_new_vars_to_rename instead of update_stmt.
1476 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
1478 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
1480 2005-10-11 Jakub Jelinek <jakub@redhat.com>
1482 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
1483 for setting MMX register to 0 rather than mmx.
1485 2005-10-10 Steve Ellcey <sje@cup.hp.com>
1488 * configure.ac: Move gas check from mips specific case to common case.
1489 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
1490 * configure: Regenerate
1491 * doc/install.texi: Update.
1493 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1496 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
1498 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
1500 * gcc.c (do_spec_1): Accept numeric characters in file name
1503 2005-10-10 Nick Clifton <nickc@redhat.com>
1505 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
1506 describing the deleted arm_gen_rotated_half_load function.
1508 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
1510 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
1513 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
1515 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
1517 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
1518 (EXTRA_MULTILIB_PARTS): Define.
1519 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1520 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1521 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
1522 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1523 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1524 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
1526 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
1528 PR tree-optimization/24226
1529 * tree-cfg.c (remove_bb): Clean up unreachable loops.
1530 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
1531 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
1534 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1536 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
1538 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
1541 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
1542 Rewrite for no need for the early clobber.
1544 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
1546 Merge from csl-arm-branch:
1547 2005-09-07 Paul Brook <paul@codesourcery.com>
1548 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
1551 2005-04-30 Paul Brook <paul@codesourcery.com>
1552 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
1553 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
1555 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
1556 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
1557 (arm_override_options): Use TARGET_AAPCS_BASED.
1558 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
1559 (PTRDIFF_TYPE): Use int for AAPCS.
1560 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
1561 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
1562 (DEFAULT_SHORT_ENUMS): Delete.
1563 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
1565 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
1566 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
1567 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
1568 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
1570 2004-12-03 Mark Mitchell <mark@codesourcery.com>
1571 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
1573 2004-11-22 Mark Mitchell <mark@codesourcery.com>
1574 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
1576 2004-11-19 Mark Mitchell <mark@codesourcery.com>
1577 * config.gcc (arm*-*-linux-gnueabi): Add it.
1578 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
1580 (TARGET_OS_CPP_BUILTINS): Likeiwse.
1581 * config/arm/linux-eabi.h: New file.
1582 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
1583 (LINUX_TARET_LINK_SPEC): Likewise.
1584 (LINK_SPEC): Use it.
1585 * config/arm/t-linux-eabi: New file.
1587 2005-10-08 Steven Bosscher <stevenb@suse.de>
1590 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
1592 (PARAM_SMS_DFA_HISTORY): Likewise.
1594 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
1597 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
1598 (load_register_parameters): Call it.
1599 (check_sibcall_argument_overlap_1): Likewise.
1600 (store_one_arg): Likewise.
1602 2005-10-07 James E. Wilson <wilson@specifix.com>
1604 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
1605 DImode not VECINT24 for operand 2.
1608 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
1612 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
1613 fr_spill): Use destination_operand for operand 0.
1615 2005-10-07 DJ Delorie <dj@redhat.com>
1617 * varasm.c (output_constant): Limit error to expanding
1620 2005-10-07 Richard Guenther <rguenther@suse.de>
1623 * fold-const.c (fold_binary): Fix operand types during folding
1624 of X op (A, Y). Evaluation order of the side-effects of
1625 X and A are frontend-defined, so ensure we honour that even for
1626 tcc_comparison class operands; eased by removing duplicate code.
1628 2005-10-07 Steve Ellcey <sje@cup.hp.com>
1630 * stor-layout.c (layout_type): Do not allow alignment of array
1631 elements to be greater than their size.
1633 2005-10-07 Steve Ellcey <sje@cup.hp.com>
1635 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
1637 (hppa*-*-linux*): Ditto.
1638 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
1639 * config/host-hpux.c: New.
1640 * config/x-hpux: New.
1641 * config/pa/x-hpux: Remove.
1642 * config/pa/x-linux: Remove.
1643 * config/pa/pa-host.c: Remove.
1645 2005-10-07 Jeff Law <law@redhat.com>
1647 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
1648 determine whether or not to try and thread outgoing edges.
1650 2005-10-07 David Edelsohn <edelsohn@gnu.org>
1652 * config/rs6000/rs6000.md (eqsi_power): New.
1653 (neg_eq0si): Add TARGET_POWER to final condition.
1656 2005-10-06 Richard Henderson <rth@redhat.com>
1658 * config/rs6000/rs6000.c: Revert last change.
1660 2005-10-06 Richard Henderson <rth@redhat.com>
1662 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
1663 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
1665 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
1669 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
1670 out return_label and naked_return_label.
1672 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
1674 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
1677 2005-10-06 Richard Henderson <rth@redhat.com>
1680 * tree-inline.c (declare_return_variable): Handle modify_dest not
1683 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
1685 Fix PR tree-optimization/22488
1686 * tree-ssa-structalias.c (check_for_overlaps): New function.
1687 (create_variable_info_for): Use it.
1689 2005-10-06 Richard Henderson <rth@redhat.com>
1692 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
1693 (dwarf2out_start_source_file): Print it.
1695 2005-10-06 Geoffrey Keating <geoffk@apple.com>
1697 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
1699 2005-10-06 Richard Henderson <rth@redhat.com>
1702 * mode-switching.c (optimize_mode_switching): Clear transp bit
1703 for block with incomming abnormal edges.
1705 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
1706 (fpscr_set_from_mem): Use them.
1707 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
1708 (fpscr postinc splitters): Rewrite as peephole2+split.
1710 2005-10-06 David Edelsohn <edelsohn@gnu.org>
1712 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
1713 (eq<mode>_compare): Same.
1715 2005-10-06 Richard Guenther <rguenther@suse.de>
1717 PR tree-optimization/24238
1718 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
1720 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
1722 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
1723 here. Use AC_PATH_PROG for environment variables instead of
1725 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
1727 * configure: Regenerated.
1729 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
1732 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
1733 then force it into a register.
1734 (call_value): Likewise.
1736 2005-10-06 Richard Henderson <rth@redhat.com>
1739 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
1740 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
1741 under pass_vectorize.
1743 2005-10-05 Devang Patel <dpatel@apple.com>
1746 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
1747 handling constants. Check NAMESPACE_DECL context for constants.
1749 2005-10-05 Eric Christopher <echristo@apple.com>
1751 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
1753 2005-10-05 Richard Henderson <rth@redhat.com>
1756 * tree-cfg.c (mark_array_ref_addressable_1): New.
1757 (mark_array_ref_addressable): New.
1758 * tree-flow.h (mark_array_ref_addressable): Declare.
1759 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
1761 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
1765 * reload.c (subst_reloads): When adding a REG_LABEL to a
1766 jump instruction, also update JUMP_LABEL.
1768 2005-10-05 David Edelsohn <edelsohn@gnu.org>
1770 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
1771 * bb-reorder.c (copy_bb_p): Use it.
1772 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
1774 2005-10-05 Richard Henderson <rth@redhat.com>
1777 * toplev.c (process_options): Warn about unsupported combinations
1778 of unwind tables and omit-frame-pointer.
1779 * config/i386/i386.c (override_options): Similarly. Enable
1780 accumulate-outgoing-args if not explicitly disabled.
1782 2005-10-05 Steve Ellcey <sje@cup.hp.com>
1784 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
1785 Handle big endian vs. small endian.
1786 (vec_initv2sf): Handle big endian vs. small endian.
1787 (*vec_extractv2sf_1): Ditto.
1789 2005-10-05 Dale Johannesen <dalej@apple.com>
1791 * convert.c (convert_to_real): Don't convert
1792 (float)floor(double d) to floorf((float)d).
1794 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
1796 * config/arm/arm.md (insv): Use gen_int_mode in more places.
1798 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
1800 PR tree-optimization/18587
1801 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
1802 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
1803 build_vuses): Change to VEC type.
1804 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
1805 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
1806 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
1807 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
1808 (get_name_decl): New. Return DECL_UID of base variable.
1809 (operand_build_cmp): New. qsort comparison routine.
1810 (operand_build_sort_virtual): New. Sort virtual build vector.
1811 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
1812 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
1813 (FINALIZE_BASE): Use get_name_decl.
1814 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
1815 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
1816 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
1817 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
1818 direct VEC_* manipulations.
1819 (build_ssa_operands): Call operand_build_sort_virtual.
1820 (copy_virtual_operand, create_ssa_artficial_load_stmt,
1821 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
1822 with direct VEC_* manipulations.
1823 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
1824 with direct VEC manipulations.
1826 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
1828 PR tree-optimization/21419
1829 PR tree-optimization/24146
1830 PR tree-optimization/24151
1832 * c-typeck.c (readonly_error): Handle USE being lv_asm.
1833 (build_asm_expr): Call it if outputs are read-only.
1834 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
1836 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
1837 Paolo Bonzini <bonzini@gnu.org>
1841 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
1842 enable the instructions and not just the built-ins.
1843 * doc/invoke.texi (x86 Options): Likewise.
1845 2005-10-04 Geoffrey Keating <geoffk@apple.com>
1847 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
1849 * doc/invoke.texi (Option Summary): Correct spelling
1850 of -mmacosx-version-min.
1852 2005-10-04 Devang Patel <dpatel@apple.com>
1854 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
1857 2005-10-04 Steve Ellcey <sje@cup.hp.com>
1859 * tree-vect-transform.c (vect_create_epilog_for_reduction):
1860 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
1862 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
1864 * config/s390/s390.md ("TDSI","DP"): New mode macros.
1865 ("TE","tg"): New mode attributes.
1866 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
1867 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
1868 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
1869 dword_mode and one for GPRmode.
1871 2005-10-04 Ian Lance Taylor <ian@airs.com>
1873 PR preprocessor/13726
1874 * c-ppoutput.c (cb_include): Add comments parameter, and print out
1875 any comments passed in.
1877 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1879 * tree.c (annotate_with_file_line): Fix typo.
1881 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1884 * builtins.c (fold_builtin_memcmp): When constructing the pointer
1885 type used to access data in the inlined length == 1 case, use
1886 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
1887 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
1889 2005-10-04 Uros Bizjak <uros@kss-loka.si>
1891 * config/i386/i386.h (TARGET_FISTTP): Enable also for
1892 TARGET_SSE3 and only for TARGET_80387.
1893 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
1894 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
1895 Do not depend on TARGET_80387.
1897 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1899 * tree.c (last_annotated_node): Change type to location_t*.
1900 (annotate_with_file_line): Reflect the change of
1901 last_annotated_node type.
1903 2005-10-04 Richard Guenther <rguenther@suse.de>
1906 * c-decl.c (grokdeclarator): Don't write to fields
1909 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
1912 * c-decl.c (finish_decl): Use set_user_assembler_name even for
1914 * varasm.c (make_decl_rtl): If a register variable does not
1915 have a set user assmbler name, error out.
1916 Decode the asmspec is now name+1 bypassing '*'.
1918 2005-10-04 Steven Bosscher <stevenb@suse.de>
1920 PR tree-optimization/23049
1921 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
1922 of a COND_EXPR is folded before calling fold on the whole rhs of a
1923 conditional assignment.
1924 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
1925 document that a COND_EXPR may appear there.
1927 2005-10-03 Diego Novillo <dnovillo@redhat.com>
1930 * tree-vrp.c (extract_range_from_assert): If the new numeric
1931 range created out of the assertion contradicts the existing
1932 numeric range of the ASSERT_EXPR variable, make the new range
1935 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
1937 * config/sh/sh.c (sh_register_move_cost): Add case for moving
1938 from T_REGS to FP register class.
1940 2005-10-03 Richard Henderson <rth@redhat.com>
1943 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
1944 before creating a new one.
1946 2005-10-03 David Edelsohn <edelsohn@gnu.org>
1948 * config/rs6000/t-aix43 (LDFLAGS): New.
1949 * config/rs6000/t-aix52 (LDFLAGS): New.
1951 2005-10-03 Ian Lance Taylor <ian@airs.com>
1953 * gimplify.c (find_single_pointer_decl_1): New static function.
1954 (find_single_pointer_decl): New static function.
1955 (internal_get_tmp_var): For a formal variable, set restrict base
1956 information if appropriate.
1957 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
1959 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
1960 (DECL_GET_RESTRICT_BASE): Define.
1961 (SET_DECL_RESTRICT_BASE): Define.
1962 (decl_restrict_base_lookup): Declare.
1963 (decl_restrict_base_insert): Declare.
1964 (struct tree_decl_with_vis): Add based_on_restrict_p field.
1965 * tree.c (restrict_base_for_decl): New static variable.
1966 (init_ttree): Initialize restrict_base_for_decl.
1967 (copy_node_stat): Copy restrict base information.
1968 (decl_restrict_base_lookup): New function.
1969 (decl_restrict_base_insert): New function.
1970 (print_restrict_base_statistics): New static function.
1971 (dump_tree_statistics): Call print_restrict_base_statistics.
1973 2005-10-02 Diego Novillo <dnovillo@redhat.com>
1976 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
1977 case of anti-ranges.
1979 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
1982 * c-typeck.c (tagged_tu_seen): Rename to ...
1983 (tagged_tu_seen_cache): this and add val field.
1984 (comptypes): Move functional to comptypes_internal
1985 and free tagged_tu_seen.
1986 (comptypes_internal): New function and call comptypes_internal
1987 instead of comptypes. Speed up by sibcalling
1988 tagged_types_tu_compatible_p.
1989 (alloc_tagged_tu_seen): New function
1990 (free_all_tagged_tu_seen_up_to): New function.
1991 (tagged_types_tu_compatible_p): Return the val of the seen two
1993 Add that the two types are the same to tagged_tu_seen_base
1994 if they are and call comptypes_internal instead of comptypes.
1995 <case UNION_TYPE>: Speed up common type where the fields are
1997 (function_types_compatible_p): Call comptypes_internal instead of
1999 (type_lists_compatible_p): Likewise.
2000 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
2002 2005-10-02 Matthias Klose <doko@debian.org>
2004 * doc/invoke.texi: Fix typo and speling error.
2006 2005-10-01 Richard Henderson <rth@redhat.com>
2008 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
2010 2005-10-01 Mark Mitchell <mark@codesourcery.com>
2012 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
2013 using --start-group and --end-group.
2015 2005-10-01 Diego Novillo <dnovillo@redhat.com>
2017 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
2018 FIXME note regarding quirky semantics.
2020 2005-10-01 Diego Novillo <dnovillo@redhat.com>
2023 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
2024 non-null range as a last resort.
2026 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
2027 Diego Novillo <dnovillo@redhat.com>
2030 * tree-vrp.c (extract_range_from_assert): For !=
2031 assertions, only build an anti-range if LIMIT is a
2032 single-valued range.
2034 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
2036 * arm.md (movqi): On thumb when optimizing, handle loading from
2037 memory by describing this as taking a subreg of a zero-extended load
2038 into an SImode register.
2041 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
2043 * reload1.c (merge_assigned_reloads): Do not change any
2044 RELOAD_FOR_OUTPUT_ADDRESS reloads.
2046 2005-09-30 Geoffrey Keating <geoffk@apple.com>
2048 * Makefile.in (LIPO_FOR_TARGET): Define.
2049 (STRIP_FOR_TARGET): Define.
2051 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
2052 before creating new ones. Do symlinks before creating the actual
2055 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
2056 to work out which multilibs are actually being built.
2058 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
2060 * tree-vect-transform.c, config/ms1/ms1.md,
2061 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
2062 Follow spelling conventions.
2063 * doc/invoke.texi, doc/md.texi: Fix typos.
2065 2005-09-30 Andrew Macleod <amacleod@redat.com>
2067 PR tree-optimization/21430
2068 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
2069 use operands, and set stmt pointer if need be.
2070 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
2071 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
2074 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2077 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
2079 2005-09-29 Mark Mitchell <mark@codesourcery.com>
2081 * optabs.c (expand_binop): Initialize first_pass_p.
2083 2005-09-29 Jakub Jelinek <jakub@redhat.com>
2086 * c-decl.c (c_write_global_declarations_1): If any
2087 wrapup_global_declaration_2 call returned true, restart the loop.
2089 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
2091 Fix PR tree-optimization/24117
2092 * tree-ssa-structalias.c (find_func_aliases): Strip nops
2093 before considering whether to use anyoffset.
2095 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
2099 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
2101 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2103 (swap_commutative_operands_with_target): New.
2105 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
2108 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
2111 2005-09-29 Steven Bosscher <stevenb@suse.de>
2113 PR tree-optimization/23911
2114 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
2115 and IMAGPART_EXPR too.
2117 2005-09-28 Mark Mitchell <mark@codesourcery.com>
2120 * expmed.c (expand_shift): Move logic to reverse rotation
2121 direction when rotating by constants ...
2122 * optabs.c (expand_binop): ... here.
2123 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
2124 (ix86_rotrdi3): New pattern.
2125 (rotldi3): Handle 32-bit mode.
2126 (ix86_rotldi3): New pattern.
2128 2005-09-29 Alan Modra <amodra@bigpond.net.au>
2131 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
2132 check for numbers that need no bit twiddle.
2134 2005-09-28 Geoffrey Keating <geoffk@apple.com>
2136 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
2137 multilib to be built.
2139 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
2140 (stage1-start): Delete old libgcc and libunwind before moving
2141 anything into the stage directory.
2142 (stage2-start): Likewise.
2143 (stage3-start): Likewise.
2144 (stage4-start): Likewise.
2145 (stageprofile-start): Likewise.
2146 (stagefeedback-start): Likewise.
2147 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
2148 header in tm_file and CPU-specific t-darwin in tmake_file.
2149 (i[34567]86-*-darwin*): Don't change tm_file.
2150 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
2151 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
2152 shared library stub for target OS version.
2153 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
2154 (SHLIB_LINK): Don't make SHLIB_SOLINK.
2155 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
2156 (libgcc_s.%.dylib): New.
2158 (install-darwin-libgcc-stubs): New.
2159 (INSTALL_LIBGCC): New append.
2160 * config/i386/darwin-libgcc.10.4.ver: New.
2161 * config/i386/darwin-libgcc.10.5.ver: New.
2162 * config/i386/t-darwin: New.
2163 * config/rs6000/darwin-libgcc.10.4.ver: New.
2164 * config/rs6000/darwin-libgcc.10.5.ver: New.
2165 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
2166 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
2168 2005-09-28 Paul Brook <paul@codesourcery.com>
2170 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
2173 2005-09-28 Richard Guenther <rguenther@suse.de>
2175 PR tree-optimization/23853
2176 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
2177 host_integerp to verify misalignment value.
2179 2005-09-28 Richard Henderson <rth@redhat.com>
2181 * builtins.c (get_builtin_sync_mode): New.
2182 (expand_builtin_sync_operation): Pass in mode argument.
2183 (expand_builtin_compare_and_swap): Likewise.
2184 (expand_builtin_lock_test_and_set): Likewise.
2185 (expand_builtin_lock_release): Likewise.
2186 (expand_builtin): Update to match.
2188 2005-09-28 Nick Clifton <nickc@redhat.com>
2190 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
2191 formatting. Add check to PLUS case to ensure that the offset is
2192 within an acceptable range.
2194 * config/v850/v850.md (casesi): Disable the generation of the
2195 switch pattern as it is not being handled properly at the moment.
2197 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
2198 for when the high words are identical.
2200 2005-09-27 Richard Henderson <rth@redhat.com>
2202 * pretty-print.c (pp_base_format): Fix typo for %>.
2204 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
2205 Devang Patel <dpatel@apple.com>
2207 PR tree-optimization/23625
2208 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
2209 LABEL_EXPR, assertion check.
2211 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
2213 * optabs.c (no_conflict_move_test): Check if a result of a
2214 to-be-moved insn would be clobbered by an originally
2217 2005-09-27 Jeff Law <law@redhat.com>
2219 * passes.c (init_optimization_passes): Replace copy propagation
2220 passes immediately after DOM with phi-only copy propagation
2221 pases. Add phi-only copy propagation pass after first DOM pass.
2222 * tree-pass.h (pass_phi_only_copy_prop): Declare.
2223 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
2224 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
2225 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
2226 to init_copy_prop. Callers updated.
2227 (do_phi_only_copy_prop): New function.
2228 (pass_phi_only_copy_prop): New pass descriptor.
2230 2005-09-27 Nick Clifton <nickc@redhat.com>
2232 * libgcc2.c (__popcount_tab): Remove redundant prototype.
2234 2005-09-26 Jason Merrill <jason@redhat.com>
2237 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
2239 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
2241 2005-09-26 James E Wilson <wilson@specifix.com>
2243 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
2244 copyright. Add gcc copyright plus libgcc exception.
2245 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
2247 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
2249 2005-09-26 Jeff Law <law@redhat.com>
2251 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
2252 about when to iterate.
2254 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
2257 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
2258 for __complex__ double in -mcpu=G5 mode.
2260 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
2262 PR tree-optimization/23942
2263 * Makefile.in (SCEV_H): Depends on PARAMS_H.
2264 * tree-scalar-evolution.c: Include params.h.
2266 (follow_ssa_edge, follow_ssa_edge_in_rhs,
2267 follow_ssa_edge_in_condition_phi_branch,
2268 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
2269 Change return type to t_bool. Use a parameter to limit the size of
2270 trees that are walked before stopping
2271 (analyze_evolution_in_loop): Initialize the limit to 0.
2272 (follow_ssa_edge): Give up by returning t_dont_know if the limit
2273 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2275 2005-09-26 Uros Bizjak <uros@kss-loka.si>
2278 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
2279 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
2281 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
2283 * combine.c (make_extraction): Check for valid use of subreg.
2285 2005-09-26 Uros Bizjak <uros@kss-loka.si>
2288 * config/i386/i386.md ("*fistdi2_1"): New pattern.
2289 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
2290 ("fist<mode>2_with_temp"): Use only register operands.
2292 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
2294 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
2295 CALL_INSN_FUNCTION_USAGE.
2297 2005-09-26 Richard Guenther <rguenther@suse.de>
2300 * gcse.c: Include hashtab.h, define ldst entry hashtable.
2301 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
2302 (ldst_entry): Use the hashtable instead of list-walking.
2303 (find_rtx_in_ldst): Likewise.
2304 (free_ldst_entry): Free the hashtable.
2305 (compute_ld_motion_mems): Create the hashtable.
2306 (trim_ld_motion_mems): Remove entry from hashtable if
2307 removing it from list.
2308 (compute_store_table): Likewise^2.
2309 (store_motion): Free hashtable in case we did not see
2312 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
2314 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
2315 and arg1 if we are passing them to fold_build2.
2317 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
2320 * config/i386/i386.c (ix86_function_regparm): Fix the test for
2323 2005-09-25 Richard Henderson <rth@redhat.com>
2325 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
2326 SYMBOL_REF_TLS_MODEL to be correct.
2328 2005-09-24 Richard Henderson <rth@redhat.com>
2330 * ipa-type-escape.c (discover_unique_type): Remove dead code at
2331 end of function. Reindent.
2333 2005-09-24 Ian Lance Taylor <ian@airs.com>
2335 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
2336 NEGATE_EXPR/BIT_NOT_EXPR case.
2338 2005-09-24 Richard Henderson <rth@redhat.com>
2340 * c-common.c (handle_mode_attribute): When not modifying in place,
2341 create subtypes for enumerations.
2342 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
2343 * gimplify.c (create_tmp_from_val): Likewise.
2345 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
2347 * config/i386/i386.md (*tls_global_dynamic_64,
2348 *tls_local_dynamic_base_64): Add missing mode to call.
2349 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
2351 2005-09-24 Jan Hubicka <jh@suse.cz>
2353 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
2354 (cgraph_clone_node): Likewise.
2355 * cgraph.h (cgraph_clone_edge): Update prototype.
2356 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
2357 duplicated prototypes; add updating argument.
2358 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
2359 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
2361 (cgraph_mark_inline_edge): Likewise.
2362 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
2363 (cgraph_flatten_node): Likewise.
2364 (cgraph_decide_recursive_inlining): Likewise.
2365 (cgraph_decide_inlining_of_small_function): Likewise.
2366 * tree-optimize.c (tree_rest_of_compilation): Likewise.
2368 2005-09-23 David Edelsohn <edelsohn@gnu.org>
2369 Pete Steinmetz <steinmtz@us.ibm.com>
2371 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
2372 (rldic.): Set type to "compare".
2374 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
2375 mfjmpr for MFCTR/MFLR.
2376 (movdf_hardfloat64): Same.
2377 (movdf_softfloat64): Same. Correct order of store and move types.
2378 (movti_string): Set type to store_ux/load_ux.
2379 (load_multiple): Set type to load_ux.
2380 (store_multiple): Set type to store_ux.
2381 (movmemsi): Set type to store_ux.
2382 (output_cbranch direct_return): Set type to jmpreg.
2383 (stmw): Set type to store_ux.
2384 (lmw): Set type to load_ux.
2385 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
2386 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
2387 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
2388 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
2389 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
2390 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
2391 (rios1-fpstore): Increase latency to 3.
2392 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
2393 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
2395 2005-09-23 David Edelsohn <edelsohn@gnu.org>
2396 Andrew Pinski <pinskia@physics.uc.edu>
2398 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
2399 operand2 constraint to "b".
2400 (sync_<fetchop_name>di_internal): Same.
2401 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
2403 (sync_old_<fetchop_name>di_internal): Same.
2404 (sync_new_<fetchop_name>si_internal): Same.
2405 (sync_new_<fetchop_name>di_internal): Same.
2407 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
2410 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
2411 case, define as macros.
2413 PR rtl-optimization/23837
2414 * optabs.c (no_conflict_move_test): Don't set must_stay for a
2415 clobber / clobber match between dest and p->first.
2417 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
2418 (no_conflict_move_test): Update comments.
2420 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2422 * doc/install.texi: Update URL for Jacks.
2423 * doc/sourcebuild.texi: Likewise.
2425 2005-09-22 David Edelsohn <edelsohn@gnu.org>
2428 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
2429 registers when choosing register preferences.
2430 (movdf_hardfloat64): Same.
2432 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
2434 * expmed.c (expand_shift): Don't use the target of the rotate as
2435 target for the first expanded shift insn.
2436 * testsuite/gcc.dg/20050922-1.c: Testcase added.
2438 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
2440 PR tree-optimization/22438
2441 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
2442 preserved iv rhs rewriting specially.
2444 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
2446 * tree-data-ref.c (analyze_array_indexes): Only estimate when
2447 estimate_only is true.
2448 * tree-flow.h (ref_contains_indirect_ref): New prototype.
2449 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
2450 tree-ssa-structalias.c
2451 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
2452 ref_contains_indirect_ref.
2453 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
2455 2005-09-21 DJ Delorie <dj@redhat.com>
2457 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
2459 (mn10300_return_in_memory): Support variable size types also.
2460 (mn10300_pass_by_reference): Likewise.
2461 (mn10300_function_value): New.
2462 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
2463 (FUNCTION_OUTGOING_VALUE): Likewise.
2464 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
2465 * doc/invoke.texi: Document it.
2467 2005-09-21 Uros Bizjak <uros@kss-loka.si>
2470 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
2471 force integer op1 into register for XFmode compares.
2473 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2476 * expmed.c (alg_code): Add alg_impossible.
2477 (alg_hash_entry): Add cost.
2478 (synth_mult): Record alg_impossible in the hash table if
2479 multiplication by a given integer is impossble within the
2480 limit. Speed up using alg_impossible.
2482 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
2484 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
2485 argument. Allow and set any offset if needs_anyoffset is passed
2487 (get_constraint_for): Add argument here too.
2489 (do_structure_copy): Pass NULL to get_constraint_for.
2490 (handle_ptr_arith): Ditto.
2491 (find_func_aliases): Ditto.
2493 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
2495 PR rtl-optimization/23898
2496 * output.h (get_attr_min_length): Declare.
2497 * final.c (get_attr_length_1): New function, broken out of:
2499 (get_attr_min_length): New function.
2500 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
2501 (duplicate_computed_gotos): Likewise.
2502 * genattr.c (insn_min_length): Generate declaration.
2503 * genattrtab.c (min_fn, min_attr_value): New functions.
2504 (make_length_attrs): Generate insn_min_length.
2506 2005-09-20 Steve Ellcey <sje@cup.hp.com>
2508 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
2510 2005-09-20 Richard Henderson <rth@redhat.com>
2512 PR tree-optimization/24059
2513 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
2516 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
2518 * c.opt (fextended-identifiers): New.
2519 * c-opts.c (c_common_handle_option): Handle
2520 -fextended-identifiers.
2521 * doc/cpp.texi: Update documentation of extended identifiers.
2522 * doc/cppopts.texi (-fextended-identifiers): Document.
2524 2005-09-20 Jakub Jelinek <jakub@redhat.com>
2526 PR tree-optimization/23929
2527 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
2530 PR tree-optimization/23818
2531 * tree-stdarg.c (execute_optimize_stdarg): Call
2532 calculate_dominance_info.
2534 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
2536 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
2537 (analyze_siv_subscript_cst_affine): Add weak SIV test.
2538 (compute_overlap_steps_for_affine_1_2): Use
2539 get_number_of_iters_for_loop.
2540 (analyze_subscript_affine_affine): Check whether difference is
2542 Use get_number_of_iters_for_loop.
2543 Check whether overlap occurs outside of bounds.
2544 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
2546 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
2548 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
2549 base register if possible.
2551 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
2553 PR tree-optimization/18463
2554 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
2555 converting it directly is not possible.
2556 (chrec_convert_aggressive): New function.
2557 * tree-chrec.h (chrec_convert_aggressive): Declare.
2558 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
2559 Fold chrec conversions aggressively if asked to.
2560 (instantiate_parameters): Modified because of changes in
2561 instantiate_parameters_1.
2563 2005-09-19 Richard Henderson <rth@redhat.com>
2565 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
2566 (reduc_splus_v2df): New.
2568 2005-09-19 Richard Sandiford <richard@codesourcery.com>
2570 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
2571 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
2573 2005-09-19 Richard Henderson <rth@redhat.com>
2575 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
2578 2005-09-19 Richard Henderson <rth@redhat.com>
2580 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
2581 (ia64_expand_dot_prod_v8qi): New.
2582 * config/ia64/ia64-protos.h: Update.
2583 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
2584 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
2585 sdot_prodv8qi, sdot_prodv4hi): New.
2586 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
2588 2005-09-19 Richard Henderson <rth@redhat.com>
2591 * real.c (exact_real_truncate): Return false if the format cannot
2592 represent the number as a normal.
2594 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
2595 for a memory source.
2597 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
2599 * tree-ssa-operands.c (swap_tree_operands): Export.
2600 * tree.h (swap_tree_operands): Declare.
2601 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
2602 Call swap_tree_operands.
2604 2005-09-19 Richard Henderson <rth@redhat.com>
2606 * tree-flow.h (merge_alias_info): Declare.
2607 * tree-ssa-copy.c (merge_alias_info): Export.
2608 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
2609 (vect_create_data_ref_ptr): Use create_iv directly.
2610 (vectorizable_load): Use correct types for integer constants.
2611 (vect_generate_tmps_on_preheader): Likewise.
2612 (vect_gen_niters_for_prolog_loop): Likewise.
2614 2005-09-19 Steven Bosscher <stevenb@suse.de>
2616 PR rtl-optimization/23943
2617 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
2619 2005-09-18 Jan Hubicka <jh@suse.cz>
2621 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
2623 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
2625 * varasm.c (output_constant): Do not abort on conversions to union
2626 types between different sizes.
2628 2005-09-18 Richard Guenther <rguenther@suse.de>
2631 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
2634 2005-09-18 Paul Brook <paul@codesourcery.com>
2636 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
2638 2005-09-17 Richard Henderson <rth@redhat.com>
2640 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
2641 * tree-ssa-loop.c (pass_vect_dce): Remove.
2642 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
2645 2005-09-17 Richard Henderson <rth@redhat.com>
2647 * tree-pass.h (pass_vect_dce): Declare.
2648 * passes.c (init_optimization_passes): Add it.
2649 * tree-flow.h (tree_ssa_dce): Declare.
2650 * tree-ssa-dce.c (tree_ssa_dce): Export.
2651 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
2652 (gate_tree_vectorize): ... here.
2653 (pass_vect_dce): New.
2655 2005-09-17 Jan Hubicka <jh@suse.cz>
2657 * except.c (struct eh_status): Turn region_array into vec.
2658 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
2659 convert_from_eh_region_ranges, find_exception_handler_labels,
2660 current_function_has_exception_handlers, assign_filter_values,
2661 build_post_landing_pads, dw2_build_landing_pads,
2662 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
2663 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
2664 foreach_reachable_handler, can_throw_internal_1,
2665 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
2667 (duplicate_eh_region_1): Update region_array.
2668 (duplicate_eh_regions): Resize region_array and avoid recomputing.
2670 2005-09-17 David Edelsohn <edelsohn@gnu.org>
2673 * expmed.c (expand_mult): Substitute simple register for op0 when
2676 2005-09-17 Richard Henderson <rth@redhat.com>
2678 * expr.c (emit_move_via_integer): Add force argument, pass it on
2679 to emit_move_change_mode. Update callers.
2680 (emit_move_complex): Pass true to new force argument.
2681 * function.c (expand_function_end): Move expand_eh_return call
2682 earlier. Merge sub-word complex values into a pseudo before
2683 copying to the return hard register.
2685 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
2687 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
2688 between different sizes.
2690 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
2694 * passes.c (init_optimization_passes): Register dump files for
2697 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
2699 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
2700 * config/s390/s390.c (s390_overlap_p): New function.
2701 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
2702 peephole2, "*xc" peephole2): Added overlap check to the peephole2
2705 2005-09-16 Richard Guenther <rguenther@suse.de>
2707 * ipa-pure-const.c (static_execute): Free auxiliar information.
2708 * ipa-type-escape.c (discover_unique_type): Free temporary key.
2709 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
2711 2005-09-15 DJ Delorie <dj@redhat.com>
2713 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
2715 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
2717 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2719 (swap_commutative_operands_with_target): New.
2721 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
2723 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
2726 (estimate_iters_using_array): New function.
2727 * tree-data-ref.h (estimate_iters_using_array): Prototype
2728 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2729 Use estimate_iters_using_array instead of analyze_array.
2731 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
2733 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
2736 2005-09-15 Michael Matz <matz@suse.de>
2738 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
2740 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
2742 PR tree-optimization/23835
2743 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
2744 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
2746 2005-09-14 Richard Henderson <rth@redhat.com>
2748 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
2749 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
2751 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
2753 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
2754 in the ARRAY_TYPE case.
2756 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
2758 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
2760 2005-09-14 Uros Bizjak <uros@kss-loka.si>
2763 * tree-vect-transform.c (vectorizable_operation): Return false for
2764 scalar shift operations and for vector shift operations with
2765 non-invariant shift arguments. Use scalar tree operand op1 as
2766 a shift operand when vector shift insn pattern uses scalar shift
2768 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
2770 2005-09-14 Olivier Hainque <hainque@adacore.com>
2772 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
2773 value if it has side-effects.
2775 2005-09-14 David Edelsohn <edelsohn@gnu.org>
2778 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
2780 2005-09-14 Alan Modra <amodra@bigpond.net.au>
2782 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
2783 passed as NAME as if it were label at start of function code.
2785 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
2787 * config/sh/sh.md (*movv4sf_i): Add general register cases to
2790 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2792 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
2793 as early clobber. Rewrite so the PIC register is not implicitly used.
2795 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2797 * tree.c (annotate_with_file_line): Compare line numbers before
2800 2005-09-13 Uros Bizjak <uros@kss-loka.si>
2803 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
2804 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
2806 2005-09-13 Ian Lance Taylor <ian@airs.com>
2808 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
2809 than a HOST_WIDEST_INT to gen_doloop_begin.
2811 2005-09-13 Diego Novillo <dnovillo@redhat.com>
2813 * tree-dfa.c (dump_variable): Guard against NULL annotations.
2815 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
2817 PR tree-optimize/23817
2818 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
2820 2005-09-13 Alan Modra <amodra@bigpond.net.au>
2823 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
2824 word before changing the stack pointer. Use gen_frame_mem for MEMs.
2825 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
2826 (restore_stack_nonlocal): Likewise.
2827 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
2829 2005-09-12 Ian Lance Taylor <ian@airs.com>
2832 * c.opt (ffriend-injection): New C++ option.
2833 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
2834 (C++ Dialect Options): Document -ffriend-injection.
2836 2005-09-12 Josh Conner <jconner@apple.com>
2839 * ipa-reference.c (static_execute): Don't mark variables in
2840 named sections TREE_READONLY.
2842 2005-09-12 Alan Modra <amodra@bigpond.net.au>
2844 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
2847 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2849 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
2850 V_MUST_DEF instead of just the first_use_p.
2851 Don't mark the virtual variables for renaming on the statement which
2853 (pass_dse): Remove TODO_update_ssa.
2855 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
2858 * stor-layout.c (compute_record_mode): For records with a single
2859 field, actually check the field's mode size against the type size.
2861 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
2862 registers for TARGET_SHMEDIA.
2863 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
2864 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
2865 of GENERAL_REGS and FP_REGS.
2867 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
2869 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
2871 2005-09-12 Alan Modra <amodra@bigpond.net.au>
2873 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
2874 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
2875 are omitted. Exclude stack_tie insn too.
2877 2005-09-11 David Edelsohn <edelsohn@gnu.org>
2879 PR rtl-optimization/23098
2880 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
2882 * config/rs6000/rs6000.md (movdf splitter): Use
2883 const_double_operand predicate for TARGET_POWERPC64.
2884 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
2885 SYMBOL_REF method to ABI_V4.
2887 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
2888 replace_equiv_address.
2889 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
2890 rs6000_sr_alias_set and MEM_NOTRAP.
2891 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
2893 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
2895 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
2896 handle CALL_EXPR again.
2898 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
2900 * arm/predicates.md (alignable_memory_operand): Delete.
2902 2005-09-10 Richard Henderson <rth@redhat.com>
2905 * dbxout.c (dbxout_expand_expr): New.
2906 (dbxout_symbol): Use it.
2908 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
2910 * arm.c (arm_gen_rotated_half_load): Delete.
2911 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
2912 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
2913 (thumb_set_return_address): Likewise.
2914 (thumb_load_double_from_address): Use adjust_address.
2915 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
2916 (extendhsisi2_mem, movhi_bytes): Use change_address.
2917 (movhi): Use widen_memory_access.
2918 (reload_out_df): Use replace_equiv_address.
2919 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
2921 2005-09-09 Richard Henderson <rth@redhat.com>
2924 * dbxout.c: Include expr.h.
2925 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
2926 (dbxout_symbol): Handle DECL_VALUE_EXPR.
2927 * Makefile.in (dbxout.o): Add EXPR_H.
2929 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
2931 PR tree-optimization/23509
2932 * tree-cfg.c (replace_uses_by): Use replace_exp.
2933 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
2934 pointers have name_mem_tag or type_mem_tag set.
2936 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
2938 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
2939 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
2940 of wrongly accessing operands.
2942 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
2944 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
2945 * tree-chrec.c: Include tree-scalar-evolution.h.
2946 (chrec_convert): Instantiate the base and step before calling
2947 scev_probably_wraps_p that would fail on parametric evolutions.
2948 Collect all the fails into a single section failed_to_convert,
2949 print a diagnostic, and return chrec_dont_know instead of calling
2951 * tree-scalar-evolution.c (loop_closed_phi_def): New.
2952 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
2954 (scev_const_prop): Don't replace the definition of a loop closed ssa
2955 phi node by itself, or by another loop closed ssa phi node.
2956 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
2957 that base and step are defined.
2959 2005-09-09 Richard Guenther <rguenther@suse.de>
2962 * fold-const.c (fold_ternary): Check truth_value_p before
2963 calling invert_truthvalue.
2965 2005-09-09 Nick Clifton <nickc@redhat.com>
2967 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
2968 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
2969 dimension of these arrays.
2970 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
2972 * longlong.h: Only provide a prototype for the __clz_tab[] array
2973 if this header has not been included from libgcc2.h.
2974 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
2976 Provide prototypes for exported functions.
2977 Use the __clz_tab[] and __popcount_tab[] arrays provided by
2980 2005-09-08 Josh Conner <jconner@apple.com>
2984 * expr.c (expand_expr_addr_expr_1): Don't invoke
2985 expand_simple_binop for EXPAND_INITIALIZER.
2987 2005-09-08 Richard Henderson <rth@redhat.com>
2990 * toplev.c (wrapup_global_declaration_1): Split out ...
2991 (wrapup_global_declaration_2): ... from ...
2992 (wrapup_global_declarations): ... here. Return bool.
2993 (check_global_declaration_1): Split out ...
2994 (check_global_declarations): from here.
2995 (emit_debug_global_declarations): New.
2996 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
2997 check_global_declaration_1, emit_debug_global_declarations): Declare.
2998 * c-decl.c (c_write_global_declarations_1): Don't create a vector
2999 of decls. Call wrapup_global_declaration_1,
3000 wrapup_global_declaration_2, check_global_declaration_1 directly.
3001 (c_write_global_declarations_2): New.
3003 (c_write_global_declarations): Call c_write_global_declarations_2.
3004 * langhooks.c (write_global_declarations): Call
3005 emit_debug_global_declarations.
3007 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
3008 remove decls that have DECL_RTL_SET_P.
3009 * passes.c (rest_of_decl_compilation): Invoke
3010 cgraph_varpool_finalize_decl for all but functions.
3012 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
3014 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
3015 the result of a conversion if the new min and max cannot be compared.
3017 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
3019 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
3020 (override_options): Setting s390_sr_alias_set removed.
3021 (save_fpr, save_gprs): Set alias set to vararg or frame.
3022 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
3023 s390_sr_alias_set with get_frame_alias_set ().
3024 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
3025 get_varargs_alias_set ().
3027 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
3031 * c-parser.c (c_parser_objc_method_definition): If the next
3032 token is not "{", error out and don't start the function.
3034 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
3036 * tree-vrp.c (extract_range_from_expr): Move the check for non
3037 nullness after the check for gimple invariant.
3039 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3041 * tree.c (host_integerp, tree_low_cst): Correct function comment.
3043 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3046 * config/m32r.md (movmemsi_internal): Canonicalize order of
3047 operands in PLUS component of template.
3049 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
3051 * reload1.c (fixup_eh_region_note): Remove assertion.
3052 (fixup_abnormal_edges): Reverted removal of call to
3053 find_many_sub_basic_blocks made on 2005-08-31.
3055 2005-09-07 Richard Henderson <rth@redhat.com>
3057 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
3058 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
3059 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
3060 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
3061 rearrange for better packing.
3062 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
3063 (lookup_cfa_1): Remove inline marker.
3064 (cfa_equal_p): Split out of ...
3065 (def_cfa_1): ... here. Use INVALID_REGNUM.
3066 (build_cfa_loc): Handle !cfa->indirect.
3067 (frame_pointer_cfa_offset): New.
3068 (dbx_reg_number): Assert register elimination performed; do
3069 leaf register remapping.
3070 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
3071 (eliminate_reg_to_offset): New.
3072 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
3073 for verifiably local stack frame addresses; re-base to CFA.
3074 (mem_loc_descriptor): Remove can_use_fbreg argument.
3075 (concat_loc_descriptor, loc_descriptor): Likewise.
3076 (containing_function_has_frame_base): Remove.
3077 (rtl_for_decl_location): Don't do register elimination or
3078 leaf register remapping here.
3079 (secname_for_decl): Split out from ..
3080 (add_location_or_const_value_attribute): ... here.
3081 (convert_cfa_to_loc_list): New.
3082 (compute_frame_pointer_to_cfa_displacement): New.
3083 (gen_subprogram_die): Use them.
3084 * tree.h (frame_base_decl): Remove.
3085 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
3086 (prologue_stack_adjust): Remove.
3087 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
3088 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
3089 (set_frame_base_location): Remove.
3090 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
3091 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
3092 (vt_add_function_parameters): Don't eliminate_regs.
3093 (vt_initialize): Don't create frame_base_decl.
3095 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3097 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
3098 version of GNU binutils for 4.x and later.
3100 2005-09-06 Mark Mitchell <mark@codesourcery.com>
3102 * ggc-page.c (ggc_push_context): Remove.
3103 (ggc_pop_context): Likewise.
3104 * ggc.h (ggc_push_context): Remove.
3105 (ggc_pop_context): Likewise.
3107 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3110 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
3111 returning from an interrupt handler.
3113 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3116 * config/arc/arc.c (output_shift): Add check for loop count when
3119 2005-09-06 Steven Bosscher <stevenb@suse.de>
3121 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
3123 (abs_replacement): Likewise.
3124 (pass_phiopt): Remove TODO_update_ssa.
3126 2005-09-06 Jakub Jelinek <jakub@redhat.com>
3129 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
3130 if "return with no value, in function returning non-void" warning
3132 * tree-cfg.c (execute_warn_function_return): Don't look at
3133 RETURN_EXPRs with TREE_NO_WARNING set.
3136 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
3137 for internal functions doesn't use registers used by global registers
3138 variables. Use fewer register parameters if there are global register
3141 2005-09-06 Olivier Hainque <hainque@adacore.com>
3142 Eric Botcazou <ebotcazou@adacore.com>
3145 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
3146 when we would be extracting outside its bit span (bitpos+bitsize
3147 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
3148 Ada unchecked conversions.
3150 2005-09-06 Steven Bosscher <stevenb@suse.de>
3152 * tree-ssa-pre.c (try_look_through_load): New function.
3153 (compute_avail): Use it to try to look through loads for some
3154 more useful expressions.
3156 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3158 * simplify-rtx.c (simplify_binary_operation_1): Correct the
3159 condition for detecting cases like (a&a) and (a^a).
3161 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
3163 * common.opt: Add option ftree-vect-loop-version.
3164 * params.def: Add --param vect-max-version-checks.
3165 * doc/invoke.texi: Document ftree-vect-loop-version and
3166 --param vect-max-version-checks.
3167 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
3168 may_misalign_stmts and defines for accessors.
3169 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
3170 LOOP_VINFO_MAY_MISALIGN_STMTS.
3171 (destroy_loop_vec_info): VEC_free for
3172 LOOP_VINFO_MAY_MISALIGN_STMTS.
3173 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3174 Update documentation.
3175 (vect_update_misalignment_for_peel): New.
3176 (vect_enhance_data_refs_alignment): Update to choose loop
3177 peeling or loop versioning if appropriate for the (potentially)
3178 unaligned data references in the loop.
3179 (vect_analyze_data_refs_alignment): Remove call to
3180 vect_enhance_data_refs_alignment so the checks can be done
3182 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
3183 and move up call to vect_analyze_data_refs_alignment.
3184 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
3185 (vect_transform_loop): Add call to loop_version.
3187 2005-09-06 Jakub Jelinek <jakub@redhat.com>
3189 PR rtl-optimization/23098
3190 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
3191 * simplify-rtx.c (constant_pool_reference_p): New function.
3192 * rtl.h (constant_pool_reference_p): New prototype.
3193 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
3194 constant_pool_reference_p in condition and
3195 avoid_constant_pool_reference in preparation statements.
3197 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
3199 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
3200 STRICT_LOW_PART SETs.
3202 2005-09-06 Alan Modra <amodra@bigpond.net.au>
3205 * except.c (sjlj_emit_function_enter): Find the function begin
3206 note even when it's not in first basic block.
3208 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
3210 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
3211 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
3212 * aclocal.m4: Regenerate.
3214 2005-09-05 DJ Delorie <dj@redhat.com>
3216 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
3219 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
3221 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
3222 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
3223 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
3224 Follow spelling conventions.
3225 * doc/invoke.texi: Follow spelling conventions.
3227 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
3229 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
3230 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
3231 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
3233 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
3236 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
3237 (output_stack_adjust): Use gen_tmp_stack_mem.
3238 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
3239 (sh_set_return_address, sh_allocate_initial_value): Likewise.
3240 (sh_get_pr_initial_val): Likewise.
3241 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
3242 (sh_initialize_trampoline): Likewise. Also use adjust_address.
3243 * sh.md (divsi_inv_m0): Use gen_const_mem.
3244 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
3245 (movdf_i4+1): Use gen_tmp_stack_mem.
3246 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
3247 (fpu_switch+2): Likewise.
3248 (movv4sf_i, movv16sf_i): Use adjust_address.
3249 (symGOT_load): Set MEM_NOTRAP_P bit.
3251 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3254 * pa.c (emit_move_sequence): Fix typo in last change.
3256 2005-09-03 Jakub Jelinek <jakub@redhat.com>
3258 PR rtl-optimization/23454
3259 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
3262 2005-09-03 Richard Henderson <rth@redhat.com>
3263 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3266 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
3269 2005-09-02 Nicolas Pitre <nico@cam.org>
3271 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
3272 to bit_count to 32 bits.
3274 2005-08-31 Mark Mitchell <mark@codesourcery.com>
3277 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
3278 generating synthetic loads from volatile lvalues.
3280 005-09-02 Nick Clifton <nickc@redhat.com>
3282 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
3283 __ctzhi2, __clzhi2): New functions.
3285 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
3288 * tree-nested.c (struct var_map_elt): Mark with GTY.
3289 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
3291 (lookup_field_for_decl): Allocate new element in GC memory.
3292 (lookup_tramp_for_decl): Likewise.
3293 (convert_nl_goto_reference): Likewise
3294 (create_nesting_tree): Allocate info in GC memory. Likewise for
3296 (free_nesting_tree): Free with ggc_free instead of free.
3297 (root): New static variable.
3298 (lower_nested_functions): Remove root as local variable. And zero out
3299 root at the end of the function.
3301 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
3303 PR rtl-optimization/20365
3304 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
3305 to short. New member ix.
3306 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
3307 (simplify_plus_minus): Initialize ix members before calling qsort.
3309 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
3311 PR tree-optimization/23626
3312 * tree-cfg.c (replace_uses_by): Clean up eh info.
3314 2005-09-01 DJ Delorie <dj@redhat.com>
3316 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
3319 2005-09-01 David Edelsohn <edelsohn@gnu.org>
3321 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
3322 (rs6000_split_multireg_move): Use replace_equiv_address instead of
3325 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
3327 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
3328 do not issue warning for a variable definition following
3331 2005-09-01 Richard Henderson <rth@redhat.com>
3334 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
3335 conversion to CONST_VECTOR.
3337 2005-09-01 Richard Henderson <rth@redhat.com>
3340 * reload1.c (reload_as_needed): Check !CALL_P before calling
3341 fixup_eh_region_note.
3342 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
3344 2005-09-01 DJ Delorie <dj@redhat.com>
3346 * varasm.c (output_constant): Let the target resolve
3347 conversions of addresses to non-default pointer sizes.
3349 2005-09-01 Nicolas Pitre <nico@cam.org>
3351 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
3352 to alow matching ARM pre-indexed addressing mode.
3353 (arm_override_options): Remove now irrelevant comment.
3355 2005-09-01 Phil Edwards <phil@codesourcery.com>
3357 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
3358 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
3359 * config/i386/vxworks.h: Likewise.
3360 * config/i386/t-vxworksae: New file, for VxWorks AE.
3361 * config/i386/vxworksae.h: Likewise.
3363 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
3365 PR tree-optimization/23410
3366 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
3367 sequence is not wrapping during the first step.
3369 2005-09-01 Jakub Jelinek <jakub@redhat.com>
3372 * dwarf2out.c (base_type_die): Compare char_type_node with
3373 TYPE_MAIN_VARIANT (type), not type.
3375 2005-09-01 Richard Guenther <rguenther@suse.de>
3377 PR tree-optimization/15366
3378 * common.opt: Add -finline-functions-called-once.
3379 Put -fearly-inlining in alphabetically ordered place.
3380 * doc/invoke.texi: Document new option.
3381 * ipa-inline.c (cgraph_decide_inlining): Honour
3382 flag_inline_functions_called_once.
3384 2005-09-01 Jakub Jelinek <jakub@redhat.com>
3386 PR rtl-optimization/23478
3387 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
3388 (alloc_qty): Initialize it.
3389 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
3390 (combine_regs): Combine also n_throwing_calls_crossed fields.
3391 (find_free_reg): Don't attempt to caller-save pseudos crossing
3392 calls that might throw.
3393 * global.c (struct allocno): Add throwing_calls_crossed field.
3394 (global_alloc): Revert 2005-08-22 change. Initialize
3395 throwing_calls_crossed.
3396 (find_reg): Don't attempt to caller-save pseudos crossing calls that
3399 2005-09-01 Alan Modra <amodra@bigpond.net.au>
3402 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
3403 (mask64_operand): Reinstate code prior to 2005-06-11 change.
3404 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
3405 (and64_2_operand): Tweak to use predicate.
3406 (and_operand): Adjust for mask_operand changes.
3407 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
3408 (print_operand): Likewise.
3409 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
3410 (mask64_1or2_operand): Delete.
3411 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
3412 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
3413 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
3414 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
3415 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
3416 (rotldi3_internal4): Likewise.
3417 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
3418 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
3419 (ashldi3_internal7): Likewise.
3420 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
3421 (ashldi3_internal, ashldi3_internal9 split): Likewise.
3422 (anddi3 split): Don't match mask64_operand.
3423 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
3424 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
3425 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
3426 't' splitter predicate.
3427 (movdi_internal64 + 2): Revert 2005-06-11 change.
3429 2005-08-31 DJ Delorie <dj@redhat.com>
3431 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
3432 (m32c_asm_integer): Add support for 32 bit pointers.
3434 2005-08-31 Richard Henderson <rth@redhat.com>
3436 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
3437 component-like references for setting MEM_NOTRAP_P.
3439 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
3440 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
3442 2005-08-31 Richard Henderson <rth@redhat.com>
3444 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
3445 into a pseudo before applying gen_lowpart.
3447 2005-08-31 Geoffrey Keating <geoffk@apple.com>
3449 * doc/install.texi (Specific): Update cctools version required
3450 for full functionality.
3451 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
3452 linkers as -macosx_version_min.
3454 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
3457 * sh.c (print_operand, %R and %S): Add handling of floating point
3458 registers, memory, constants and invalid operands.
3460 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
3462 * ipa-pure-const.c: Change dump name.
3464 2005-08-31 Uros Bizjak <uros@kss-loka.si>
3467 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
3468 to "reg_or_0_operand".
3469 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
3471 2005-08-31 Dale Johannesen <dalej@apple.com>
3473 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
3474 loops that count down.
3476 2005-08-31 Richard Henderson <rth@redhat.com>
3479 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
3480 (fixup_eh_region_note): New.
3481 (reload_as_needed): Call it.
3482 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
3483 don't call find_many_sub_basic_blocks; call verify_flow_info.
3484 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
3485 (keep_stack_depressed): Likewise.
3486 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
3488 2005-08-31 Richard Henderson <rth@redhat.com>
3490 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
3493 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
3495 * expr.c (expand_expr_real_1): Compare size of address
3496 mode to target's address mode size in deciding expansion of
3497 the constant address.
3499 2005-08-31 Richard Guenther <rguenther@suse.de>
3502 * expr.c (all_zeros_p): New function.
3503 (expand_expr_real_1): Handle the case of an all-zero
3504 non-addressable constructor separately.
3506 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
3508 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
3509 arguments, adjust all callers.
3510 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
3512 2005-08-30 Richard Henderson <rth@redhat.com>
3515 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
3516 whenever the mode sizes match.
3518 2005-08-31 Alan Modra <amodra@bigpond.net.au>
3520 * calls.c (load_register_parameters): Fix comment typo.
3521 * expr.c (emit_push_insn): Comment formatting.
3523 2005-08-30 Ian Lance Taylor <ian@airs.com>
3525 * config/i386/x-cygwin (host-cygwin): Change dependency from
3526 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
3528 2005-08-29 Geoffrey Keating <geoffk@apple.com>
3530 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
3533 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3536 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
3537 call to ggc_collect.
3539 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
3542 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
3543 beginning. Remove $(INCLUDES) from all the rules, if following
3544 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
3546 2005-08-29 Jakub Jelinek <jakub@redhat.com>
3549 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
3550 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
3551 not constant, but maxlen is, don't set len to maxlen, rather
3552 set maxlen to len if len is a constant.
3554 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
3556 PR tree-optimization/23475
3557 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
3560 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
3562 Fix PR middle-end/22455
3564 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
3565 Checksum only the parts of the tree that exist for the tree code.
3567 2005-08-28 Dale Johannesen <dalej@apple.com>
3569 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
3571 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
3573 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
3575 2005-08-28 Richard Henderson <rth@redhat.com>
3577 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
3578 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
3581 2005-08-28 Jakub Jelinek <jakub@redhat.com>
3584 * builtins.c (get_memory_rtx): Don't strip nops
3585 in between COMPONENT_REFs.
3587 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
3590 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
3592 (gimplify_modify_expr): Check for zero sized types and gimplify the
3593 rhs and lhs as statements.
3595 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
3598 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
3599 state for return address column of signal frames.
3601 2005-08-27 David Edelsohn <edelsohn@gnu.org>
3604 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
3605 bytes >= 2 not bytes == 2.
3606 (expand_block_move): Same.
3608 2005-08-27 Richard Guenther <rguenther@suse.de>
3611 * config/i386/sse.md (sse2_movsd): Add missing closing
3614 2005-08-27 Paul Brook <paul@codesourcery.com>
3616 * genrecog.c (enum decision_type): Add DT_num_insns.
3617 (struct decision_test): Add u.num_insns.
3618 (add_to_sequence): Add DT_num_insns test.
3619 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
3620 (write_cond, debug_decision_2): Ditto.
3621 (change_state): Assume peep2_next_insn never fails.
3622 Remove "afterward" argument.
3623 (write afterward, write_tree): Update to match.
3624 * recog.c (peep2_current_count): New variable.
3625 (peep2_next_insn): Check it.
3626 (peephole2_optimize): Set peep2_current_count.
3627 * recog.h (peep2_current_count): Declare.
3629 2005-08-26 Josh Conner <jconner@apple.com>
3632 * ipa-pure-const.c (check_tree): Check for volatile-ness
3633 when considering a dereference.
3635 2005-08-27 Jakub Jelinek <jakub@redhat.com>
3637 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
3639 2005-08-26 Jakub Jelinek <jakub@redhat.com>
3641 PR rtl-optimization/23561
3642 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
3643 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
3644 at most LEN bytes long memory fits into the field.
3645 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
3646 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
3647 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
3649 2005-08-26 Richard Henderson <rth@redhat.com>
3652 * loop.c (biased_biv_may_wrap_p): New.
3653 (maybe_eliminate_biv_1): Use it to suppress non-equality
3654 comparison transformations. Delete disabled code.
3656 2005-08-26 Ian Lance Taylor <ian@airs.com>
3658 * combine.c (make_extraction): Avoid reference outside object.
3660 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
3662 * stor-layout.c (finalize_type_size): Restore behaviour for
3663 non-aggregate types to the status quo ante of the patch for
3664 pr 23467. Document why it matters.
3666 2005-08-26 Jakub Jelinek <jakub@redhat.com>
3669 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
3670 array by one element, initialize the BT_LAST element with NULL.
3672 2005-08-26 David Edelsohn <edelsohn@gnu.org>
3674 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
3675 optimizing for size.
3677 (compare_plus_eqsi): Same.
3678 (plus_eqsi_compare): Same.
3679 (neg_eq0<mode>): Same.
3680 (neg_eq<mode>): Same.
3682 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
3685 2005-08-26 Nick Clifton <nickc@redhat.com>
3687 * config/v850/v850.c (ep_memory_operand): Return FALSE if
3688 TARGET_EP is not defined.
3689 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
3690 TARGET_EP is enabled.
3691 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
3692 * config/v850/v850.md (save_all_interrupt): Only use the EP
3693 register if TARGET_EP is defined.
3694 (restore_all_interrupt): Likewise.
3695 * config/v850/lib1funcs.asm: Update functions so that the EP
3696 register is only used if __EP__ is defined.
3698 2005-08-26 David Ung <davidu@mips.com>
3700 * config/mips/mips.c (mips_expand_prologue): Handle case when
3701 generating for MIPS16 and the outgoing argument area is more than
3702 SMALL_OPERAND. Use the frame pointer as temporary to generate the
3705 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
3707 * config/crx/crx.md: Make doloop_end pattern usage controllable
3708 via mloop-nesting=<max-nesting> command line switch. Make sure
3709 the combiner cannot use doloop_end_<mode> in an illegal way.
3710 * config/crx/crx.c: Use regs up to r6 for argument passing.
3711 Refine crx_address_cost (non cst4 displacements are expensive).
3712 * config/crx/crx.opt: Add switch for mloop-nesting=.
3714 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
3716 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
3717 (UNSPEC_MVST): New constant.
3719 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
3721 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
3722 Reject operands containing eliminable registers.
3723 * testsuite/gcc.dg/20050825-1.c: New testcase.
3725 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3726 Jan Hubicka <jh@suse.cz>
3728 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
3730 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3732 PR tree-optimization/23546
3733 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
3736 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
3738 * params.def (PARAM_MIN_SPEC_PROB): New.
3739 * sched-rgn.c (MIN_PROBABILITY): Delete.
3740 (compute_trg_info): Convert to PARAM_VALUE.
3741 * doc/invoke.texi (param): Document min-spec-prob.
3743 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
3745 * config/darwin.h: define __PIC__
3746 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
3747 TARGET_OS_CPP_BUILTINS macro.
3749 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3751 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
3754 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
3756 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
3758 * cfghooks.c (duplicate_block): Added position where to place
3759 new block as argument.
3760 * cfghooks.h (duplicate_block): Declaration changed.
3761 * cfglayout.c (copy_bbs): Add argument after. Pass it to
3763 * cfglayout.h (copy_bbs): Declaration changed.
3764 * cfgloop.h (loop_version): Declaration changed.
3765 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
3766 position to copy_bbs.
3767 (loop_version): Pass position to duplicate_loop_to_header_edge.
3768 Add place_after argument and position new blocks according to
3770 * modulo-sched.c (sms_schedule): Pass place_after argument
3772 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
3773 * tree-cfg.c (split_edge_bb_loc): New function.
3774 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
3775 to determine position of new blocks.
3776 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
3778 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
3779 argument to duplicate_block.
3780 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
3781 Pass position to copy_bbs.
3783 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
3785 * fold-const.c (ptr_difference_const): Use
3786 cst_and_fits_in_hwi instead of host_integerp.
3788 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3790 * config/darwin.c (gen_pic_offset): New.
3791 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
3794 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
3796 PR tree-optimization/23486
3797 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
3799 2005-08-23 Phil Edwards <phil@codesourcery.com>
3801 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
3802 remove use_collect2.
3803 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
3805 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
3806 configuration files to override the default value.
3808 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
3809 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
3810 * config/vx-common.h: New file, split out from...
3811 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
3812 * config/vxworksae.h: New file, for VxWorks AE.
3813 * config/vxworks.opt: New file.
3814 * config/vxlib.c: Update for VxWorks 6.
3816 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
3817 other MULTILIB_* variables appropriately.
3818 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
3819 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
3820 * config/rs6000/vxworks.h: Update for VxWorks 6.
3821 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
3823 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
3826 * config/darwin.c (machopic_select_section): Remove the hack to
3827 mark "::operator new" and "::operator delete" for coalescing
3828 even though they are not weak.
3830 2005-08-24 Alan Modra <amodra@bigpond.net.au>
3832 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
3833 * configure: Regenerate.
3835 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
3838 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
3840 * convert.c (convert_to_integer, convert_to_vector): Likewise.
3841 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
3844 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
3846 * config/rs6000/predicates.md (equality_operator): New.
3847 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
3848 comparison with a large constant.
3850 2005-08-23 Mark Mitchell <mark@codesourcery.com>
3852 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
3854 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
3856 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
3857 registers is even, and we have a hardware double precision fp,
3859 (sh_gimplify_va_arg_expr): For floating point arguments, consider
3860 size of current argument when checking if argument was passed in
3863 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
3866 * stor-layout.c (finalize_type_size): Dont override
3867 existing alignment with a smaller alignment from the mode.
3869 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
3871 * lambda-code.c (lambda_vector_lexico_pos): Moved...
3872 * lambda.h (lambda_vector_lexico_pos): ... here.
3873 * tree-data-ref.c (build_classic_dist_vector): Return false when
3874 the distance vector is lexicographically negative.
3876 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
3878 PR tree-optimization/23511
3879 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
3880 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
3882 2005-08-23 Jakub Jelinek <jakub@redhat.com>
3884 PR tree-optimization/22043
3885 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
3886 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
3887 If ALLOW_FLEXARR, handle types ending with flexible array member.
3888 Pass false as second argument to recursive count_type_elements calls.
3889 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
3890 argument to count_type_elements call.
3891 * tree-sra.c (decide_block_copy): Likewise.
3892 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
3893 for a constant-sized object, set cleared as well. Pass true as
3894 second argument to count_type_elements call.
3896 2005-08-23 Alan Modra <amodra@bigpond.net.au>
3899 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
3900 from legitimate_small_data_p, and make global. Update use.
3901 Remove forward declaration.
3902 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
3904 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
3906 2005-08-23 David Edelsohn <edelsohn@gnu.org>
3908 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
3909 of scratch intermediates.
3910 (eq<mode>_compare): Same.
3911 (neg_eq0<mode>): New.
3912 (neg_eq<mode>): Convert to define_insn_and_split.
3914 2005-08-23 Alan Modra <amodra@bigpond.net.au>
3917 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
3918 stdarg functions, set/clear the fp marker even when no variable
3920 * config/rs6000/sysv4.opt (mprototype): Describe.
3922 2005-08-22 Jakub Jelinek <jakub@redhat.com>
3924 PR rtl-optimization/23478
3925 * regs.h (reg_info): Add throw_calls_crossed.
3926 (REG_N_THROWING_CALLS_CROSSED): Define.
3927 * flow.c (allocate_reg_life_data): Initialize
3928 REG_N_THROWING_CALLS_CROSSED.
3929 (propagate_one_insn, attempt_auto_inc): Update
3930 REG_N_THROWING_CALLS_CROSSED.
3931 * global.c (global_alloc): Don't allocate pseudos across
3932 calls that may throw.
3934 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
3937 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
3938 value is inbetween the range if we did not find an exact match.
3940 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
3942 * doc/invoke.texi (Option Summary): Add ms1 options.
3943 * doc/extend.texi: Document interrupt handler attribute for ms1.
3944 * doc/md.texi: Document ms1 constraints.
3945 * config.gcc: Add ms1-*-elf.
3946 * config/ms1/ms1.h: New.
3947 * config/ms1/ms1.c: New.
3948 * config/ms1/ms1.md: New.
3949 * config/ms1/ms1-protos.h: New.
3950 * config/ms1/ABI.txt: New.
3951 * config/ms1/crti.asm: New.
3952 * config/ms1/crtn.asm: New.
3953 * config/ms1/lib2extra-funcs.c: New.
3954 * config/ms1/t-ms1: New.
3955 * config/ms1/ms1.opt: New.
3957 2005-08-22 Ira Rosen <irar@il.ibm.com>
3959 * config/rs6000/altivec.md (xorv4sf3): New.
3960 (negv4sf2, neg<mode>2): Likewise.
3962 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
3965 * config/ia64/ia64.md (divsi3): Check divide by zero.
3966 (udivsi3): Likewise.
3968 (udivdi3): Likewise.
3970 2005-08-21 Jakub Jelinek <jakub@redhat.com>
3972 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
3973 up to elem_bitsize bits, not max_bitsize.
3975 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
3977 PR tree-optimization/23433
3978 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
3979 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
3981 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
3983 PR tree-optimization/23434
3984 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
3985 the iteration bound is not an INTEGER_CST.
3987 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
3989 * tree-vect-transform.c (get_initial_def_for_reduction): Set
3990 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
3991 NULL if need_epilog_adjust is false.
3992 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
3993 Case 3 always peels first itration, not just for PLUS case, and no need
3994 to use scalar_initial_def here. Create an epilog adjustment only if
3995 scalar_initial_def is not NULL.
3997 (vectorizable_reduction): Remove assert.
3999 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
4002 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
4003 (__moddi3): Likewise.
4004 (__udivdi3): Likewise.
4005 (__umoddi3): Likewise.
4006 (__divsi3): Likewise.
4007 (__modsi3): Likewise.
4008 (__udivsi3): Likewise.
4009 (__umodsi3): Likewise.
4011 2005-08-20 Jakub Jelinek <jakub@redhat.com>
4013 * tree-pass.h (TDF_GRAPH): Define.
4014 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
4015 * passes.c (finish_optimization_passes): Only call
4016 finish_graph_dump_file if TDF_GRAPH is set.
4017 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
4018 NULL. Set TDF_GRAPH bit.
4019 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
4021 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
4023 * arm.h (arm_stack_offsets): Add locals_base field.
4024 * arm.c (arm_get_frame_offsets): Compute it.
4025 (thumb_compute_initial_elimination offset): Make the Thumb frame
4026 pointer point to the base of the local variables.
4027 (thumb_expand_prologue): Update accordingly.
4028 (thumb_expand_epilogue): Likewise.
4030 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
4031 mode of clobbered scratch to DImode. Handle a case that's known to
4034 2005-08-19 David Edelsohn <edelsohn@gnu.org>
4036 * config/rs6000/rs6000.md (gt0<mode>): Delete.
4037 (gt0<mode>_compare): Delete.
4038 (neg_gt0<mode>): Delete.
4040 2005-08-19 Eric Christopher <echristo@apple.com>
4042 * optabs.h: Change CTI_ to COI_.
4045 2005-08-19 James E Wilson <wilson@specifix.com>
4047 * builtins.c (expand_builtin_return_addr): Set
4048 current_function_accesses_prior_frames when count != 0. Use
4049 frame_pointer_rtx when count == 0.
4050 * function.h (struct function): Add accesses_prior_frames field.
4051 (current_function_accesses_prior_frames): Define.
4052 * reload1.c (init_elim_table): Check
4053 current_function_accesses_prior_frames.
4054 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
4056 2005-08-19 Diego Novillo <dnovillo@redhat.com>
4058 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
4059 indicator. Return true if the flowgraph changed during
4062 2005-08-19 Diego Novillo <dnovillo@redhat.com>
4065 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
4066 conditional expression before testing its value.
4068 2005-08-19 Diego Novillo <dnovillo@redhat.com>
4070 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
4072 2005-08-19 Devang Patel <dpatel@apple.com>
4074 PR tree-optimization/23048
4075 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
4076 third parameter. Check whether latch is dominated by exit
4078 (if_convertible_loop_p): Supply exit block itself to
4079 if_convertible_bb_p.
4081 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
4084 * arm.md (arm_load_pic_register): Change argument to the mask of
4085 saved registers. Call thumb_find_work_register if we need a
4086 scratch register on Thumb.
4087 (arm_expand_prologue): Pass empty register set to
4088 arm_load_pic_register.
4089 (thumb_expand_prologue): Pass live_regs_mask directly to
4090 arm_load_pic_register.
4091 * arm-protos.h (arm_load_pic_register): Update prototype.
4093 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
4095 * sh.c (find_sole_member): New function.
4096 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
4097 if the record's alignment is larger than the size of its only member.
4099 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
4102 * arm.c (thumb_legitimize_reload_address): New function.
4103 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
4104 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
4106 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
4108 * config/crx/crx.c: Implement crx_decompose_address. Reject
4109 symbolic displacements since CRX register relative adressing
4110 mode can't handle unsigned 32-bit values as displacements.
4111 * config/crx/crx.h: Simplify definitions, remove redundant
4112 parenthesis and obsolete macros.
4113 * config/crx/crx.opt: Add new switch for debugging addresses.
4114 * config/crx/crx-protos.h: Add new declarations for above.
4116 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
4119 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
4122 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4124 * collect2.c (dup2): Delete.
4125 * configure.ac: Don't check for dup2.
4127 * config.in, configure: Regenerate.
4129 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
4131 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
4132 record with the type of its only member.
4134 2005-08-18 David Edelsohn <edelsohn@gnu.org>
4136 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
4137 define_insn_and_split.
4138 (plus_ltu<mode>_compare): Same.
4139 (gtu<mode>_compare): Same.
4140 (plus_gtu<mode>_compare): Same.
4142 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
4144 PR tree-optimization/22228
4145 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
4147 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
4148 are recorded in vect_vnames_to_rename for renaming.
4149 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
4150 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
4151 in vect_vnames_to_rename.
4152 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
4153 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
4155 2005-08-18 Jan Hubicka <jh@suse.cz>
4158 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
4159 info only for local statics, not for member variables.
4161 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4163 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
4165 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4167 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
4169 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
4172 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
4174 2005-08-17 James E Wilson <wilson@specifix.com>
4176 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4179 2005-08-17 David Edelsohn <edelsohn@gnu.org>
4181 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
4182 (leu<mode>_compare): Same.
4183 (plus_leu<mode>): Same.
4184 (neg_leu<mode>): Same.
4185 (and_neg_leu<mode): Same.
4186 (ltu<mode>_compare): Same.
4187 (plus_ltu<mode>): Same.
4189 (geu<mode>_compare): Same.
4190 (plus_geu<mode>): Same.
4191 (neg_geu<mode>): Same.
4192 (and_neg_geu<mode>): Same.
4193 (plus_gt<mode>): Same.
4194 (gtu<mode>_compare): Same.
4195 (plus_gtu<mode>): Same.
4197 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
4199 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
4200 Move call_table_data to end. Delete spurious .text.
4201 (callt_save_all_interrupt): Fix comment typo.
4203 2005-08-17 James E Wilson <wilson@specifix.com>
4204 Kevin Winchester <winchester@amirix.com>
4207 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
4209 2005-08-17 Uros Bizjak <uros@kss-loka.si>
4212 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
4213 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
4215 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
4217 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
4218 record with the type of its only member if the modes don't match.
4220 * varasm.c (decode_reg_name): Skip empty additional register names.
4222 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4224 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
4225 lsm_tmp_name_length): New.
4226 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
4227 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
4229 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4230 Andreas Krebbel <krebbel1@de.ibm.com>
4232 * config.gcc: Added z9-109 switch.
4233 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
4234 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
4235 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
4236 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
4237 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
4238 for "z9_109" cpu attribute.
4239 * config/s390/s390.c (z9_109_cost): New processor cost structure.
4240 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
4241 (s390_handle_arch_option): Added z9-109 switch.
4242 (override_options): Set respective cost function for z9-109.
4243 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
4244 (legitimate_reload_constant_p): Accept extended immediates.
4245 (print_operand): Three new output modifiers added: k, m and o.
4246 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
4247 (s390_output_mi_thunk): Use extended immediate when possible.
4248 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
4249 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
4250 (CONSTRAINT_LEN): Added length of O constraint.
4251 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
4252 * config/s390/s390.md ("cpu"): New value z9_109 added.
4253 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
4254 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
4255 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
4256 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
4257 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
4258 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
4259 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
4260 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
4261 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
4262 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4263 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
4264 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
4265 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
4266 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
4267 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
4269 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
4270 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
4271 insns for TARGET_EXTIMM.
4273 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
4275 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
4277 2005-08-17 Nick Clifton <nickc@redhat.com>
4279 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
4280 Call default_encode_section_info.
4282 2005-08-17 Steven Bosscher <stevenb@suse.de>
4284 PR tree-optimization/21574
4285 * tree-ssa-ccp.c (likely_value): If the right hand side is a
4286 constant, return CONSTANT.
4287 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
4288 (ccp_fold, visit_assignment): Likewise.
4289 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
4291 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
4293 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
4294 fold_buildN instead of buildN then fold_initializer or fold.
4295 (build_unary_op): Likewise.
4296 (build_binary_op): Likewise.
4297 * fold-const.c (fold_initializer): Remove.
4298 (fold_build1_initializer): New function.
4299 (fold_build2_initializer): New function.
4300 (fold_build3_initializer): New function.
4301 * tree.h (fold_initializer): Remove.
4302 (fold_build1_initializer): New function.
4303 (fold_build2_initializer): New function.
4304 (fold_build3_initializer): New function.
4306 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
4308 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
4309 (try_move_mult_to_index): Call fold_build2 instead of build2.
4310 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
4311 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
4312 fold_binary_to_constant.
4313 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
4315 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
4316 check if A == gcd (A, B). Remove TYPE argument.
4317 (analyze_offset) Use fold_build2 instead of fold (build.
4318 (create_data_ref): Likewise.
4319 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
4320 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
4323 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
4325 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
4326 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
4328 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
4331 * gimplify.c (zero_sized_type): New function.
4332 (gimplify_modify_expr_rhs): If we have a zero sized type,
4333 replace the statement with an empty statement.
4335 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
4337 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
4340 2005-08-16 Ian Lance Taylor <ian@airs.com>
4342 * doc/tm.texi (Label Output): Correct typo.
4344 2005-08-16 Steven Bosscher <stevenb@suse.de>
4347 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
4348 force_operand will work later on using have_insn_for.
4350 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4352 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
4354 2005-08-16 Ian Lance Taylor <ian@airs.com>
4357 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
4358 vector type, don't try to construct it element by element. Add an
4359 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
4361 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4363 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
4365 2005-08-16 Geoffrey Keating <geoffk@apple.com>
4367 * doc/invoke.texi (Precompiled Headers): Document some more options
4368 which are known to be safe.
4370 2005-08-16 James E Wilson <wilson@specifix.com>
4372 PR tree-optimization/21105
4373 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4374 TREE_OVERFLOW check.
4376 2005-08-16 David Edelsohn <edelsohn@gnu.org>
4378 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
4379 (neg_ltu<mode>): Same.
4381 (neg_gtu<mode>): Same.
4383 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4385 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
4386 (fold_builtin_isdigit): Use fold_buildN.
4387 (build_function_call_expr): Likewise.
4388 * c-typeck.c (c_finish_loop): Likewise.
4390 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
4391 Richard Shann <rshann@superh.com>
4393 PR middle-end/20396:
4394 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
4396 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
4398 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
4400 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
4403 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
4404 arm_compure_save_reg0_reg12_mask to determine when the PIC register
4407 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4410 * fold-const.c (build_range_check): Disable optimization for function
4411 pointer expressions on targets that require function pointer
4414 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
4416 * simplify-rtx.c (simplify_const_relational_operation): When
4417 extracting arguments of a COMPARE, recompute the mode as well.
4419 2005-08-15 Ian Lance Taylor <ian@airs.com>
4421 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
4423 2005-08-15 DJ Delorie <dj@redhat.com>
4425 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
4427 (movsi_splittable): Allow, but split, moves to the stack.
4428 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
4431 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4433 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
4434 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
4435 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
4437 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
4438 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
4439 Delete HOST_PTR_PRINTF.
4441 * configure, config.in: Regenerate.
4443 2005-08-15 David Edelsohn <edelsohn@gnu.org>
4445 * config/rs6000/rs6000.md (QHSI): New mode macro.
4446 (wd): Extend mode attr for QImode and HImode
4447 (dbits): New mode attr.
4448 (zero_extend<mode>di2): Convert to mode macro.
4450 2005-08-15 Steve Ellcey <sje@cup.hp.com>
4453 * doc/invoke.texi (-mgnu-ld): Update description.
4456 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
4459 * Makefile.in (tree-chrec.o): Depends on real.h.
4460 * tree-chrec.c: Include real.h.
4461 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
4462 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
4463 * tree-scalar-evolution.c (add_to_evolution_1,
4464 interpret_rhs_modify_expr): Ditto.
4466 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
4469 * tree-data-ref.c (estimate_niter_from_size_of_data): When
4470 step is negative compute the estimation from init downwards to zero.
4472 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
4474 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
4476 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4478 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
4480 (legitimate_reload_constant_p): Fix handling of lliXX operands.
4481 Accept double-word constants that can be split.
4482 * config/s390/s390.md ("movti"): Use 'P' constraint.
4483 ("*movdi_31", "*movdf_31"): Likewise.
4485 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
4487 Fix PR tree-optimization/22615
4489 * tree-ssa-structalias.c (solution_set_add): Handle
4490 first_vi_for_offset returning NULL.
4491 (do_da_constraint): Ditto.
4492 (do_sd_constraint): Ditto.
4493 (do_ds_constraint): Ditto
4494 (find_func_aliases): Ditto.
4495 (build_constraint_graph): RHS is allowed be ANYTHING.
4496 (first_vi_for_offset): Return NULL if we couldn't find anything at
4499 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4501 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
4502 over memory as first operand.
4504 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
4507 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
4508 available for setting it.
4510 2005-08-14 Ira Rosen <irar@il.ibm.com>
4512 PR tree-optimization/23320
4513 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
4514 data-refs' types instead of base object nullness. Add check for
4515 pointer type data-refs before first location comparison. Remove
4518 2005-08-14 Andreas Schwab <schwab@suse.de>
4520 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
4522 2005-08-13 James E Wilson <wilson@specifix.com>
4524 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
4525 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
4526 -fstack-protector-all, --param ssp-buffer-size): Document.
4527 (-Wvariadic-macros): Alphabetize.
4528 (-fsched-stalled-insns-dep): Add missing 'f'.
4530 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
4533 2005-08-13 David Edelsohn <edelsohn@gnu.org>
4535 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
4536 or indirect address operand.
4537 (EXTRA_ADDRESS_CONSTRAINT): New.
4538 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
4540 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
4542 PR tree-optimization/22236
4543 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
4544 successors and predecessors.
4545 * tree-chrec.c (chrec_convert): Before converting, check that
4546 sequences don't wrap.
4547 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
4548 (analyze_array): Extern.
4549 (find_data_references_in_loop): Remove call to
4550 compute_estimated_nb_iterations.
4551 * tree-data-ref.h (analyze_array): Declared.
4552 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
4553 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
4554 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
4555 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
4557 * tree-ssa-loop-ivcanon.c: Fix documentation.
4558 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
4559 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
4560 (infer_loop_bounds_from_undefined): New.
4561 (estimate_numbers_of_iterations_loop): Use
4562 infer_loop_bounds_from_undefined.
4563 (used_in_pointer_arithmetic_p): New.
4564 (scev_probably_wraps_p): Pass an extra parameter. Call
4565 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
4566 (convert_step): Fix documentation.
4567 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
4568 Use initial_condition_in_loop_num and evolution_part_in_loop_num
4569 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
4570 scev_probably_wraps_p.
4572 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
4574 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
4575 (s390_register_info): Ignore clobbered_regs information for fixed
4576 registers, and only fixed registers.
4577 (s390_init_frame_layout): Remove redundant call.
4579 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
4581 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
4582 description of -Wold-style-casts.
4584 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4585 Jakub Jelinek <jakub@redhat.com>
4587 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
4588 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
4589 * config/s390/s390.c (print_operand): New output modifier 'G' added.
4590 (get_thread_pointer): Renamed to s390_get_thread_pointer.
4591 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
4592 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
4593 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
4594 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4595 ("stack_protect_set", "stack_protect_test"): New expanders.
4596 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
4597 "stack_protect_testdi"): New insn definitions.
4599 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4601 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
4603 2005-08-12 Paul Brook <paul@codesourcery.com>
4605 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
4607 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4609 * config/s390/predicates.md (setmem_operand): New predicate.
4610 (shift_count_operand): Accept ANDs with special constants as
4612 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
4613 with special constants.
4614 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
4615 shift_count_operand with setmem_operand.
4617 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4619 * config/s390/s390.c (s390_extract_part, s390_single_part):
4621 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
4622 (s390_output_mi_thunk): Don't use lg on 31 bit.
4623 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
4624 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
4626 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4628 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
4629 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
4630 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
4631 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
4632 with one of the new macros.
4634 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4636 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
4637 Don't set save_return_addr_p.
4638 (s390_register_info): Make clobbered_regs not depending on
4641 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
4643 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
4644 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
4646 2005-08-11 James E. Wilson <wilson@specifix.com>
4648 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
4650 2005-08-11 Jakub Jelinek <jakub@redhat.com>
4652 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
4653 locations gathered by var-tracking in single entry loc_list
4654 over loc_descriptor_from_tree.
4656 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
4657 pass it down to loc_descriptor.
4658 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
4659 (containing_function_has_frame_base): Move earlier in the file.
4660 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
4661 instead of always assuming fbreg can't be used.
4663 2005-08-11 David Edelsohn <edelsohn@gnu.org>
4665 * config/rs6000/altivec.md: Change constraint "m" to "Z".
4666 * config/rs6000/predicates.md (indexed_or_indirect_operand):
4667 Accept address wrapped in AND for Altivec.
4668 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
4669 Strip AND wrapping offset address for Altivec.
4671 2005-08-11 Richard Henderson <rth@redhat.com>
4674 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
4675 before using TYPE_IS_SIZETYPE.
4677 2005-08-11 Richard Henderson <rth@redhat.com>
4680 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
4681 insn types not present on ev4.
4682 (alphaev5_insn_pipe): Similarly.
4684 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
4687 * arm.c (arm_override_options): If the user has selected callee-super-
4688 interworking, then enable normal interworking.
4690 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4692 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
4695 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
4697 * doc/rtl.texi: Fix two typos.
4699 2005-08-11 Richard Guenther <rguenther@suse.de>
4702 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
4703 cases where we call to/from functions returning void.
4705 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
4708 * tree.c (build_pointer_type_for_mode): Robustify.
4710 2005-08-10 James E Wilson <wilson@specifix.com>
4712 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
4713 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
4715 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
4718 2005-08-10 Eric Christopher <echristo@apple.com>
4720 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
4721 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
4724 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
4727 * config/darwin.c (machopic_indirect_data_reference): Use a new register
4728 for the high part when generating dynamic-no-pic code.
4730 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
4732 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
4733 (x86_64-*-linux*): Likewise.
4735 * config/i386/crtfastmath.c: New file.
4736 * config/i386/t-crtfm: Likewise.
4738 * config/i386/linux.h (ENDFILE_SPEC): New.
4739 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
4741 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
4744 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
4746 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
4747 (vec_shl, vec_shr): Document new operations.
4748 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
4750 2005-08-10 David Edelsohn <edelsohn@gnu.org>
4752 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
4753 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
4754 change predicate to indexed_or_indirect_address.
4756 2005-08-10 Richard Sandiford <richard@codesourcery.com>
4758 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
4759 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
4760 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
4761 and __aeabi_uwrite8.
4762 * config/arm/unaligned-funcs.c: New file.
4763 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
4765 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
4767 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
4769 * cfglayout.c (pass_insn_locators_initialize): Add dump.
4770 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
4772 * except.c (pass_convert_to_eh_region_ranges): Add dump.
4773 * final.c (pass_shorten_branches): Add dump.
4774 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
4775 (pass_life): Rename dump.
4776 (rest_of_handle_flow2): Remove initial verify_flow_info.
4777 * function.c (pass_instantiate_virtual_regs): Add dump.
4778 * integrate.c (pass_initial_value_sets): Add dump.
4779 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
4780 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
4781 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
4782 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
4783 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
4784 gate_rtl_unrool_and_peel_loops): New.
4785 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
4786 rtl_doloop): Do not look at flags.
4787 * mode-switching.c (pass_mode_switching): Add dump.
4788 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
4789 pass_split_before_regstack): Add dump.
4790 * regmove.c (pass_stack_adjustments): Add dump.
4791 * tree-optimize.c (pass_fixup_cfg): Add dump.
4793 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4796 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
4797 deciding which instruction sequence to use.
4799 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
4801 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
4802 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
4804 2005-08-09 Richard Guenther <rguenther@suse.de>
4806 * c-common.c (builtin_function_2): Remove.
4807 (def_builtin_1): New function.
4808 (c_common_nodes_and_builtins): Use def_builtin_1 to
4809 build builtin functions.
4811 2005-08-09 Jie Zhang <jie.zhang@analog.com>
4813 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
4814 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
4815 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
4818 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
4820 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
4821 fold_binary instead of fold_build2 since we don't care about the
4823 (loop_niter_by_eval): Likewise.
4824 (compare_trees): Likewise.
4825 (proved_non_wrapping_p): Likewise.
4827 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
4831 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
4832 if the if is really empty.
4834 2005-08-09 Steven Bosscher <stevenb@suse.de>
4836 PR tree-optimization/23234
4837 * tree-ssa-math-opts.c (place_reciprocal): New enum.
4838 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
4839 argument of the new enum.
4840 (execute_cse_reciprocals): Add reciprocals for function arguments
4841 on the unique successor edge of the entry block. Update other calls
4842 to execute_cse_reciprocals_1.
4844 2005-08-08 Richard Henderson <rth@redhat.com>
4847 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
4849 2005-08-08 Bob Wilson <bob.wilson@acm.org>
4851 * expr.c (write_complex_part): Return after handling MEM.
4853 2005-08-08 Josh Conner <jconner@apple.com>
4855 PR rtl-optimization/23241
4856 * combine.c (simplify_comparison): Fix error in determining
4857 whether to lift a subreg from comparison.
4859 2005-08-08 David Edelsohn <edelsohn@gnu.org>
4862 * config/rs6000/altivec.md (vec_init<mode>): New.
4863 (vec_set<mode>): New.
4864 (vec_extract<mode>): New.
4865 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
4866 (rs6000_expand_vector_set): New.
4867 (rs6000_expand_vector_extract): New.
4868 (rs6000_legitimate_offset_address_p): Offset addresses are valid
4869 for Altivec modes before reload.
4870 (altivec_expand_vec_init_builtin): New.
4871 (get_element_number): New.
4872 (altivec_expand_vec_set_builtin): New.
4873 (altivec_expand_vec_ext_builtin): New.
4874 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
4876 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
4878 * config/rs6000/rs6000.h (rs6000_builtins): Add
4879 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
4880 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
4881 * config/rs6000/rs6000-protos.h: Declare new functions.
4883 2005-08-08 Jan Hubicka <jh@suse.cz>
4885 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
4886 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
4887 * i386.md (movdi*): Use pic_32bit_operand.
4888 * predicates.md (pic_32bit_operand): New.
4890 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
4893 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
4895 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
4897 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
4898 (test_for_singularity): Use fold_build2.
4900 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4902 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
4904 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
4906 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
4907 (COMMON_ASM_OP) Define.
4908 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
4909 (ix86_encode_section_info): Likewise.
4910 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
4911 SUBTARGET_ENCODE_SECTION_INFO.
4913 2005-08-06 Richard Henderson <rth@redhat.com>
4916 * tree-nested.c (convert_local_reference): Save and restore val_only
4917 around component_ref and friends. Clear walk_subtrees by default.
4919 2005-08-06 Peter O'Gorman <peter@pogma.com>
4922 * gcc.c (process_command): Check the argument to -b has a dash.
4923 * doc/invoke.texi: Update -b and -V docs.
4925 2005-08-06 James E Wilson <wilson@specifix.com>
4927 * config/mips/cross64.h, config/mips/t-cross64: Delete.
4929 2005-08-06 Michael Matz <matz@suse.de>
4931 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
4932 member only if only one insn is associated with the value.
4934 2005-08-06 Nick Clifton <nickc@redhat.com>
4936 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
4938 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
4939 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
4940 Check symbol flags instead of symbol name mangling.
4941 (xstormy16_asm_output_aligned_common): Likewise. Also
4942 simplify code since the bss100_section cass is the only case
4943 where the below100 code will be triggered.
4944 (xstormy16_encode_section_info): Encode below100 attribute
4945 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
4947 (xstormy16_strip_name_encoding): Delete - this function is no
4949 (TARGET_STRIP_NAME_ENCODING): Undefine.
4950 * config/stormy16/stormy16-protos.h: Delete prototype for
4951 xstormy16_strip_name_encoding.
4953 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
4955 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
4956 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
4957 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
4958 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
4959 config/alpha/predicates.md, config/arc/arc.h,
4960 config/arm/arm.h, config/arm/ieee754-df.S,
4961 config/arm/ieee754-sf.S, config/bfin/bfin.c,
4962 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
4963 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
4964 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
4965 config/m68hc11/m68hc11.h, config/mips/mips.c,
4966 config/mips/mips.h, config/mips/openbsd.h,
4967 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
4968 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
4969 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
4970 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
4971 config/sparc/linux.h, config/sparc/linux64.h,
4972 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
4973 doc/extend.texi, doc/gcov.texi, doc/install.texi,
4974 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
4975 typos. Follow spelling conventions.
4977 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
4980 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
4981 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
4982 specially. Check for side effects only for COND_EXPR.
4983 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
4984 return with TREE_NO_WARNING.
4986 2005-08-06 Richard Sandiford <richard@codesourcery.com>
4988 PR rtl-optimization/23233
4989 * loop.c (combine_movables): Require the modes to be the same.
4990 (move_movables): Remove handling of cases where the replacement
4991 had a different mode to the original.
4993 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
4995 PR tree-optimization/23128
4996 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
4997 subtraction wrap, and set TREE_OVERFLOW if they do.
4999 2005-08-05 Richard Henderson <rth@redhat.com>
5002 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
5003 FORCED_LABEL labels.
5005 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
5008 * reload.c (find_reloads_subreg_address): Pass down TYPE
5009 unchanged. Change all callers except find_reloads_toplev.
5011 2005-08-05 Michael Matz <matz@suse.de>
5013 * genattrtab.c (current_alternative_string): Remove.
5014 (SIMPLIFY_ALTERNATIVE): Ditto.
5015 (attr_alt_bit_p): Ditto.
5016 (alternative_name): Make const char *.
5017 (evaluate_eq_attr): Remove use of above things.
5018 (simplify_test_exp): Ditto.
5019 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
5020 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
5022 2005-08-04 James E Wilson <wilson@specifix.com>
5024 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
5025 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
5026 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
5027 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
5028 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
5030 2005-08-04 Richard Henderson <rth@redhat.com>
5033 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
5034 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
5035 * tree-sra.c (decide_block_copy): Use it. Disable element copy
5036 if we'd have to instantiate too many members.
5038 2005-08-04 Richard Henderson <rth@redhat.com>
5041 * tree-outof-ssa.c (coalesce_asm_operands): New.
5042 (coalesce_ssa_name): Use it. Split out ...
5043 (coalesce_phi_operands, coalesce_result_decls): ... these.
5045 2005-08-04 Paul Brook <paul@codesourcery.com>
5047 * read-rtl.c (read_quoted_string): Break if EOF.
5049 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
5051 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
5052 (fold_build2): Likewise.
5053 (fold_build3): Likewise.
5054 (fold_build1_stat): New function prototype.
5055 (fold_build2_stat): Likewise.
5056 (fold_build3_stat): Likewise.
5057 * fold-const.c (fold_build1): Rename to ..
5058 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
5059 through to build1_stat.
5060 (fold_build2): Rename to ..
5061 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
5062 through to build2_stat.
5063 (fold_build3): Rename to ..
5064 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
5065 through to build3_stat.
5067 2005-08-04 David Edelsohn <edelsohn@gnu.org>
5068 Ian Lance Taylor <ian@airs.com>
5070 * function.c (assign_stack_local_1): Do not correct stack slot
5071 address if allocation size is smaller than mode size.
5073 2005-08-04 Diego Novillo <dnovillo@redhat.com>
5076 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
5077 (tree_merge_blocks): Propagate anything allowed by
5079 Clarify documentation.
5080 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
5081 SSA form, schedule an update if necessary.
5083 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
5085 * doc/install.texi (Binaries): Remove broken link to
5086 Sinix/Reliant Unix binaries.
5088 2005-08-03 Richard Henderson <rth@redhat.com>
5091 * function.c (stack_protect_epilogue): Export.
5092 * tree.h (stack_protect_epilogue): Declare.
5093 * calls.c (expand_call): Call it.
5095 2005-08-03 Eric Christopher <echristo@apple.com>
5097 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
5098 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
5101 2005-08-04 Jan Hubicka <jh@suse.cz>
5103 * profile.c (branch_prob): Split edges with goto locus on them
5104 to get proper line counts.
5105 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
5107 2005-08-03 Paul Brook <paul@codesourcery.com>
5109 * function.c (assign_parms): Round current_function_args_size
5110 to PARM_BOUNDARY, not STACK_BOUNDARY.
5112 2005-08-03 Geoffrey Keating <geoffk@apple.com>
5114 * config/i386/i386.c (x86_elf_aligned_common)
5115 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
5117 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
5119 PR tree-optimization/23157
5120 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
5121 before emitting them.
5123 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5125 PR tree-optimization/19899
5126 * Makefile.in (tree-scalar-evolution.o): Add real.h.
5127 * tree-scalar-evolution.c: Include real.h.
5128 (add_to_evolution): Build constant -1 of correct type.
5130 2005-08-03 Jan Hubicka <jh@suse.cz>
5132 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
5133 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
5134 profile updating for complette unrolling.
5135 * loop-unroll.c (peel_loop_completely): Use it.
5136 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
5137 (tree_unroll_loops_completely): Disable code growing unrolling of cold
5140 2005-08-03 Paul Brook <paul@codesourcery.com>
5142 * combine.c (can_change_dest_mode): New function.
5143 (try_combine, simplify_set): Use it.
5145 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
5147 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
5150 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
5152 * doc/install.texi (Specific): Adjust link to openavr.org.
5153 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
5154 (Binaries): Adjust HP-UX Porting Center link.
5155 (Binaries): Adjust Free Software Foundation ordering link.
5157 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
5159 * convert.c (convert_to_integer): Use fold_build1 instead of
5160 build1 when converting an integer to an integer.
5162 2005-08-02 Richard Henderson <rth@redhat.com>
5164 * combine.c (combine_instructions): Don't use reg_equal/equiv
5165 results if the mode doesn't match.
5167 2005-08-02 Mark Mitchell <mark@codesourcery.com>
5169 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
5170 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
5172 2005-08-02 Richard Henderson <rth@redhat.com>
5175 * explow.c (memory_address): Remove special-case for
5176 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
5178 2005-08-02 Diego Novillo <dnovillo@redhat.com>
5181 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
5182 number of calls to cleanup_tree_cfg_1.
5184 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
5186 * doc/invoke.texi: document file extensions .F90 and .F95
5188 2005-08-02 Richard Guenther <rguenther@suse.de>
5190 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
5191 positive if its first argument is positive.
5193 2005-08-02 Richard Guenther <rguenther@suse.de>
5195 PR tree-optimization/23177
5196 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
5199 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
5201 PR tree-optimization/23129
5202 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
5203 varying for divisions with anti-ranges.
5205 2005-08-02 Jan Hubicka <jh@suse.cz>
5207 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
5208 * tree-ssa-threadupdate.c (thread_block): Add it here.
5210 2005-08-01 James E Wilson <wilson@specifix.com>
5212 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
5213 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
5214 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
5216 * config/mips/predicates.md (const_call_insn_operand): Add check for
5217 SYMBOL_REF_LONG_CALL_P.
5218 * doc/extend.texi (long_call): Document the new attribute.
5220 2005-08-01 Ian Lance Taylor <ian@airs.com>
5221 Richard Henderson <rth@redhat.com>
5223 * Makefile.in (RTL_BASE_H): Add real.h.
5224 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
5226 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
5228 * rtl.c (rtl_check_failed_code_mode): New.
5229 * rtl.h (struct rtx_def): Add u.rv.
5230 (XCMWINT, XCNMPRV): New.
5231 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
5232 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
5234 2005-08-01 Richard Henderson <rth@redhat.com>
5236 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
5237 with auto-inc codes.
5239 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
5241 2005-08-01 Jan Hubicka <jh@suse.cz>
5243 * i386-protos.h (asm_preferred_eh_data_format): Declare.
5244 * i386.c: Include dwarf2.h
5245 (asm_preferred_eh_data_format): New.
5246 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
5248 2005-08-01 Ian Lance Taylor <ian@airs.com>
5250 * config/host-linux.c (linux_gt_pch_get_address): Add new name
5251 randomize_va_space for virtual address randomization control.
5253 2005-08-01 Steven Bosscher <stevenb@suse.de>
5255 * common.opt (flag_ipa_cp): Put in right place to maintain
5258 2005-08-01 Jan Hubicka <jh@suse.cz>
5260 * profile.c (compute_value_histograms): Fix thinko.
5261 * value-prof.c: Include toplev.h
5262 (check_counter): New function.
5263 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
5264 tree_mod_subtract_transform): Add sanity check.
5266 2005-08-01 Richard Guenther <rguenther@suse.de>
5268 PR tree-optimization/23133
5269 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
5270 current functions parameter decls to find defs to cse
5273 2005-08-01 Richard Guenther <rguenther@suse.de>
5275 PR tree-optimization/23109
5276 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
5277 If trapping math is in effect, use post-dominator information
5278 to check if we'd in any case reach a trapping point before
5279 doing the reciprocal insertion.
5280 (execute_cse_reciprocals): Compute post-dominators, if necessary.
5281 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
5282 expressions are invariant only if trapping math is not in effect.
5284 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
5286 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
5287 cgraph_function_versioning): New declarations.
5288 * cgraphunit.c: Add include to ipa-prop.h.
5289 (update_call_expr, cgraph_copy_node_for_versioning,
5290 cgraph_function_versioning): New functions.
5291 * integrate.c (copy_decl_for_inlining): Remove.
5292 * ipa-prop.h (ipa_replace_map): New struct.
5293 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
5294 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
5295 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
5296 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
5297 ipcp_iterate_stage, ipcp_method_scale_print,
5298 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
5299 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
5300 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
5301 ipcp_update_bb_counts, ipcp_update_profiling,
5302 ipcp_update_edges_counts): New functions.
5303 (ipcp_method_cval_init): Remove restriction regarding local methods.
5304 (ipcp_init_stage): Add ipcp_method_compute_scale.
5305 (ipcp_insert_stage): Add versioning.
5306 (ipcp_structures_print): Add ipcp_method_scale_print.
5307 (ipcp_driver): Dump profiling info.
5308 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
5309 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
5310 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
5311 (struct inline_data): Add versioning_p, ipa_info, new fields.
5312 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
5313 declare_return_variable): Replace calls to copy_decl_for_inlining with
5315 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
5317 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
5318 Add argument VERSIONING.
5319 (copy_arguments_for_versioning, copy_static_chain,
5320 function_versionable_p, tree_versionable_function_p,
5321 tree_function_versioning, replace_ref_tree): New functions.
5322 * tree-inline.h: Include varray.h.
5323 (tree_versionable_function_p, tree_function_versioning,
5324 tree copy_decl_for_dup): New declarations.
5326 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
5328 * ipa-cp.c: New file. Contains IPCP specific functionality.
5329 * ipa-prop.h: New file. Contains structures/definitions that can be
5330 used by several interprocedural data flow optimizations (and also IPCP).
5331 * ipa-prop.c: New file.
5332 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
5333 * common.opt: Add ipa-cp flag.
5334 * timevar.def: Add IPCP optimization.
5335 * tree-optimize.c (init_tree_optimization_passes): Schedule
5337 * tree-pass.h (pass_ipa_cp): Declare.
5339 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
5341 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
5342 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
5343 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
5344 config/i386/i386.c, config/mips/mips.h,
5345 config/rs6000/rs6000.h, config/sh/sh.c,
5346 config/stormy16/stormy16.c: Fix comment typos.
5348 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
5351 * c-typeck.c (build_binary_op): Use common_type wrapper on
5353 (common_type): Update comment.
5355 2005-07-31 Steven Bosscher <stevenb@suse.de>
5358 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
5359 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
5360 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
5362 2005-07-31 Jan Hubicka <jh@suse.cz>
5364 * pretty-print.h (pp_widest_integer): New macro.
5365 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
5368 2005-07-31 Jan Hubicka <jh@suse.cz>
5370 * output.h (enum section_category): Export from varasm.c
5371 (categorize_decl_for_section): Likewise.
5372 * varasm.c (enum section_category): Kill.
5373 (categorize_decl_for_section): Make global.
5374 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
5376 * i386.c (ix86_section_threshold): New static variable.
5377 (ix86_in_large_data_p, ix86_encode_section_info,
5378 x86_64_elf_unique_section,
5379 x86_64_elf_select_section): New functions.
5380 (TARGET_ENCODE_SECTION_INFO): Define
5381 (override_options): Enable medium model for PIC.
5382 (ix86_expand_prologue): Expand gen_set_got_rex64.
5383 (legitimate_constant_p): Handle new UNSPECs.
5384 (legitimate_pic_address_disp_p): Likewise.
5385 (legitimize_pic_address): Lower MEDIUM model addressing.
5386 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
5387 (enum cmodel): Add MEDIUM_PIC.
5388 (SYMBOL_REF_FAR_ADDR_P): New macro.
5389 (SYMBOL_FLAG_FAR_ADDR): New flag.
5390 * i386.md (movdi): Support medium model.
5391 (set_got_rex64): New pattern.
5392 * i386.opt (mlarge-data-threshold): New flag.
5393 * predicates.md (zext_operand/sext_operand): Deal with medium model.
5394 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
5395 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
5396 TARGET_ASM_UNIQUE_SECTION): New.
5398 * invoke.texi (-mlarge_data_threshold): Document
5400 2005-07-31 Jan Hubicka <jh@suse.cz>
5402 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
5403 (coalesce_vars): Likewise.
5404 * tree-ssa-live.c (coalesce_cost): New.
5405 (build_tree_conflict_graph): Use coalesce_cost.
5406 * tree-ssa-live.h (coalesce_cost): Declare.
5408 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
5410 * arm.md (all peepholes for post-increment operations): Delete.
5411 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
5412 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
5413 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
5414 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
5415 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
5417 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
5419 * fold-const.c (tree_expr_nonnegative_p): Always return true for
5422 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
5425 * doc/invoke.texi: Document -rdynamic.
5427 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
5430 * c-parser.c (c_parser_parms_list_declarator): Call
5431 mark_forward_parm_decls.
5432 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
5433 decls with visibility structure.
5435 2005-07-30 Paul Brook <paul@codesourcery.com>
5437 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
5439 2005-07-30 Paul Brook <paul@codesourcery.com>
5441 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
5443 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
5445 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
5447 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5450 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
5451 nested function declarators.
5452 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
5453 (grokparms): Call warn_if_shadowing for parameters used within the
5455 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
5456 not used within the parameter list.
5457 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
5459 2005-07-30 Jan Hubicka <jh@suse.cz>
5461 * expr.c (expand_expr_real_1): Do not load mem targets into register.
5462 * i386.c (ix86_fixup_binary_operands): Likewise.
5463 (ix86_expand_unary_operator): Likewise.
5464 (ix86_expand_fp_absneg_operator): Likewise.
5465 * optabs.c (expand_vec_cond_expr): Validate dest.
5467 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5470 * real.c (real_from_string): Also set last bit if there is a
5471 nonzero hex digit beyond GCC's internal precision after ".".
5473 2005-07-29 David Edelsohn <edelsohn@gnu.org>
5475 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
5476 define_constants. Change duplicate values to unassigned numbers.
5477 Change UNSPEC_SUBS to UNSPEC_VSUBS.
5478 (*altivec_vspltsf): New.
5479 (altivec_vperm_v4sf): Delete.
5480 (altivec_vperm_<mode>): Use mode macro V.
5481 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
5482 (altivec_predicate_v4sf): Delete.
5483 (altivec_predicate_<mode>): Use mode macro V.
5484 (*altivec_lvesfx): New.
5485 (*altivec_stvesfx): New.
5486 (vec_realign_load_v4sf): Delete.
5487 (vec_realign_load_<mode>): Use mode macro V.
5488 * config/rs6000/rs6000.c (generate_set_vrsave): Use
5491 2005-07-29 Mark Mitchell <mark@codesourcery.com>
5494 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
5496 * configure: Regenerated.
5498 2005-07-29 Paul Brook <paul@codesourcery.com>
5500 * doc/install.texi: Add link to GFortran binaries wiki page.
5502 2005-07-29 David Ung <davidu@mips.com>
5504 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
5505 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
5506 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
5507 * config/mips/mips.md (cpu): Add 5kf name.
5508 (includes): Includes 5k.md.
5509 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
5510 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
5513 2005-07-29 Diego Novillo <dnovillo@redhat.com>
5516 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
5517 (cleanup_tree_cfg): ... here.
5518 Call cleanup_tree_cfg_1 until there are no more cleanups to
5521 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
5523 * tree-vrp.c (compare_range_with_value): Return true or false
5524 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
5525 EQ_EXPR respectively.
5527 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
5529 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
5532 2005-07-29 Diego Novillo <dnovillo@redhat.com>
5534 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
5535 (tree_ssa_dominator_optimize): Increment it.
5536 (dump_dominator_optimization_stats): Print it.
5538 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
5539 Steven Bosscher <stevenb@suse.de>
5541 PR rtl-optimization/23117
5542 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
5543 when head == tail. Tidy comment.
5545 2005-07-28 Richard Henderson <rth@redhat.com>
5547 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
5548 * cselib.c (rtx_equal_for_cselib_p): Likewise.
5549 * jump.c (rtx_renumbered_equal_p): Likewise.
5550 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
5551 CONST_INT and CONST_DOUBLE.
5552 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
5553 * reload.c (operands_match_p): Special case CONST_INT and
5554 CONST_DOUBLE; check mode earlier.
5556 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5559 * c-typeck.c (convert_for_assignment): Do not check
5560 DECL_IN_SYSTEM_HEADER on NULL fundecl.
5562 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5565 * c-typeck.c (composite_type): Prefer constant size arrays to
5568 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5571 * real.c (real_from_string): Set last bit if there is a nonzero
5572 hex digit beyond GCC's internal precision.
5574 2005-07-28 Richard Henderson <rth@redhat.com>
5577 * cfgcleanup.c (try_forward_edges): Watch out for end of
5580 2005-07-28 James E Wilson <wilson@specifixinc.com>
5583 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
5585 2005-07-28 Jan Hubicka <jh@suse.cz>
5587 * Makefile.in (rtl-profile.o): Kill all traces of it.
5588 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
5589 * coverage.h (rtl_coverage_counter_ref): Kill.
5590 * opts.c (flag_speculative_prefetching_set): Kill.
5591 (flag_loop_optimize_set): New.
5592 (common_handle_option): Disable loop optimizer when profiling;
5593 do not handle speculative prefetching.
5594 * passes.c (init_optimization_passes): Replace pass_profiling combo
5595 by branch_prob pass.
5596 * profile.c (compute_value_histograms): Update for simplified value
5598 (rtl_register_profile_hooks): Kill.
5599 (pass_profiling): Kill.
5600 (rest_of_handle_branch_prob): Do not profile.
5601 * toplev.c (process_options): Remove speculative prefetching.
5602 * toplev.h (flag_tree_based_profiling): Kill.
5603 * tree-profile.c (prepare_instrumented_value,
5604 tree_gen_interval_profiler, tree_gen_pow2_profiler,
5605 tree_gen_one_value_profiler, do_tree_profiling): Update for
5606 simplified datastructures.
5607 * value-prof.c: Add comment that speculative prefetching was dropped;
5608 update rest of file for simplified datastructures.
5609 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
5610 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
5611 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
5612 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
5613 rtl_mod_subtract, gen_speculative_prefetch,
5614 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
5615 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
5616 (gate_handle_value_profile_transformations,
5617 rest_of_handle_value_profile_transformations,
5618 pass_value_profile_transformations): Kill.
5619 * value-prof.h (histogram_value_t): Remove IL based unions.
5620 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
5621 rtl_profile_hooks): Remove hooks.
5623 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
5625 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
5626 (cgraph_clone_node): Likewise.
5627 * cgraph.h (cgraph_clone_edge): Update prototype.
5628 (cgraph_clone_node): Likewise.
5629 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
5631 (lookup_recursive_calls): Consider profile.
5632 (cgraph_decide_recursive_inlining): Fix updating; use new
5633 probability argument; use profile.
5634 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
5635 * tree-inline.c (copy_bb): Update clal of clone_edge.
5636 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
5638 * invoke.texi (min-inline-recursive-probability): Document.
5640 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
5642 * doc/install.texi (Configuration): Update Valgrind homepage.
5644 2005-07-28 Richard Henderson <rth@redhat.com>
5647 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
5648 labels we want to delete.
5649 (cfg_layout_merge_blocks): Likewise.
5651 2005-07-28 Richard Henderson <rth@redhat.com>
5654 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
5655 when expanding to nothing.
5657 2005-07-28 Josh Conner <jconner@apple.com>
5659 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
5660 (cgraph_decide_inlining_of_small_functions): Likewise.
5662 2005-07-28 Josh Conner <jconner@apple.com>
5664 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
5665 direction of badness if negative.
5666 (cgraph_default_inline_p): Add reason to parameters, and assign it
5668 (cgraph_decide_inlining_of_small_functions): New parameter in call
5669 to cgraph_default_inline_p.
5670 (cgraph_decide_inlining_incrementally): Likewise.
5671 * cgraphunit.c (decide_is_function_needed): Likewise.
5672 * cgraph.h (cgraph_default_inline_p): Likewise.
5674 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5676 * builtins.c: Fix comment typo(s).
5677 * genautomata.c: Likewise.
5678 * gimplify.c: Likewise.
5679 * tree-dfa.c: Likewise.
5680 * tree-flow-inline.h: Likewise.
5681 * tree-into-ssa.c: Likewise.
5682 * tree-ssa-alias.c: Likewise.
5683 * tree-ssa-ccp.c: Likewise.
5684 * tree-ssa-copy.c: Likewise.
5685 * tree-ssa-dce.c: Likewise.
5686 * tree-ssa-dom.c: Likewise.
5687 * tree-ssa-operands.c: Likewise.
5688 * tree-tailcall.c: Likewise.
5689 * tree-vectorizer.c: Likewise.
5690 * tree-vrp.c: Likewise.
5693 2005-07-28 Jeff Law <law@redhat.com>
5695 * tree-vrp.c (test_for_singularity): Extracted from ...
5696 (simplify_cond_using_ranges): Attempt to simplify a relational
5697 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
5699 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
5701 PR tree-optimization/22506
5702 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
5703 phis whose argument is constant.
5705 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
5707 PR rtl-optimization/18992
5708 Back out this patch:
5709 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5710 PR optimization/12142
5711 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
5712 uses of the register in the SET_SRC. Remove unnecessary argument.
5714 Replace it with this:
5715 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
5716 if flag_non_call_exceptions is set and the insn may trap, pass
5717 pc_rtx as dest for recursion.
5718 In SET_SRC part of SET case, if dest is already set, pass it down
5721 2005-07-28 Jan Hubicka <jh@suse.cz>
5723 * cfg.c (update_bb_profile_for_threading): Use RDIV.
5724 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
5725 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
5727 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
5728 profile when available.
5730 2005-07-28 Jan Beulich <jbeulich@novell.com>
5732 * config/ia64/ia64.c (ia64_load_pair_ok): New.
5733 (ia64_print_operand): Describe and handle 'X'.
5734 (ia64_register_move_cost): Also handle FP_REGS.
5735 (ia64_preferred_reload_class): Likewise.
5736 (ia64_secondary_reload_class): Likewise.
5737 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
5738 it. Also check for ITANIUM_CLASS_FLDP.
5739 * config/ia64/ia64.h (FP_REGNO_P): New.
5740 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
5741 (reg_class): Add FP_REGS.
5742 (REG_CLASS_NAMES): Adjust for it.
5743 (REG_CLASS_CONTENTS): Likewise.
5744 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
5745 (REG_CLASS_FROM_LETTER): Handle 'x'.
5746 (CLASS_MAX_NREGS): Handle FP_REGS.
5747 (MEMORY_MOVE_COST): Likewise.
5748 * config/ia64/ia64.md (itanium_class): Add fldp.
5749 (type): Handle fldp.
5750 (movti_internal): More allowable operand combinations. Use ldfp8 when
5751 splitting unnecessary. Remove predicable attribute. Adjust
5752 itanium_class attribute.
5753 (smuldi3_highpart): Remove outdated comment.
5754 (mulditi3, umulditi3, rotlti3): New expanders.
5755 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
5756 (absti2): Disabled new insn for future reference.
5757 Respective new splitters.
5758 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
5759 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
5760 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
5762 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
5764 PR rtl-optimization/23047
5765 * simplify-rtx.c (simplify_const_relational_operation): Respect
5766 flag_wrapv for comparisons with ABS.
5768 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
5770 PR tree-optimization/22493
5771 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
5772 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
5774 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
5776 * config/frv/frv.opt (moptimize-membar): New.
5778 * doc/invoke.texi: Document -moptimize-membar and its inverse.
5780 * config/frv/frv.h: Remove machine_function definition.
5782 * config/frv/frv.c (struct frv_io): New.
5783 (struct machine_function): Moved from frv.h. Add has_membar_p.
5784 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
5785 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
5786 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
5787 (frv_optimize_membar_global, frv_optimize_membar): New functions.
5788 (frv_reorg): Call frv_optimize_membar when appropriate.
5789 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
5790 (frv_expand_builtin): Adjust calls accordingly.
5791 (frv_io_address_cookie): New function.
5792 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
5793 load or store rather than a special insn. Add ccnstant address and
5794 io-type operands to the membar.
5795 (frv_ifcvt_modify_tests): Unsign regno.
5796 (frv_ifcvt_modify_tests): Same.
5798 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
5799 UNSPEC_OPTIONAL_MEMBAR constant.
5800 (builtin_read_<mode>): Delete.
5801 (builtin_write_<mode>): Delete.
5802 ("optional_membar_<mode>"): Add operand.
5804 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
5805 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
5806 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
5807 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
5808 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
5809 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
5810 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
5811 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
5812 * testsuite/gcc.target/frv/all-read-write-1.c: New.
5814 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
5816 * df.c (df_uses_record): Handle SCRATCH.
5818 2005-07-28 Steven Bosscher <stevenb@suse.de>
5821 * passes.c (rest_of_decl_compilation): If decl is a type and
5822 we have encountered errors, don't emit debug information.
5824 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5826 * params.def: Fixed comment.
5828 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
5831 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
5832 (TARGET_ASM_UNALIGNED_HI_OP): Add.
5833 (TARGET_ASM_UNALIGNED_SI_OP): Add.
5835 2005-07-27 Steven Bosscher <stevenb@suse.de>
5838 * varasm.c (assemble_start_function): Don't do anything that may
5839 require a CFG if the current function is a thunk.
5841 2005-07-25 Geoffrey Keating <geoffk@apple.com>
5843 * doc/install.texi (Prerequisites): Mention that perl is needed
5844 to do export control in libstdc++ targetting Darwin.
5846 2005-07-27 Steven Bosscher <stevenb@suse.de>
5848 PR rtl-optimization/17808
5849 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
5850 (sched_insns_conditions_mutex_p): Split out from...
5851 (add_dependence): ...here. But don't call it from here.
5852 (add_dependence_list): Check sched_insns_conditions_mutex_p
5853 before calling add_dependence.
5854 (add_dependence_list_and_free): Likewise.
5855 (fixup_sched_groups): Likewise.
5856 (sched_analyze_1): Likewise.
5857 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
5858 (sched_analyze): Likewise.
5859 (sched_analyze_insn): Likewise.
5860 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
5861 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
5862 dependencies on all COND_EXEC insns to jumps ending basic blocks
5863 when doing intrablock scheduling.
5864 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
5866 2005-07-27 Jeff Law <law@redhat.com>
5868 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
5869 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
5870 equivalency sets, correctly handle the case were vr0 has an
5871 equivalency set, but vr1 does not.
5873 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
5875 PR tree-optimization/23073
5876 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
5877 vect_print_dump_info before fprintf.
5879 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5881 PR tree-optimize/22348
5882 * tree-ssa-loop-niter.c (number_of_iterations_cond):
5883 Fold the partial computation.
5885 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5887 PR tree-optimization/22325
5888 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
5890 * tree-scalar-evolution.c (scev_const_prop): Add generic final
5892 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
5893 (force_var_cost): ... this function.
5894 (compute_phi_arg_on_exit): Export.
5896 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
5898 PR tree-optimization/20773
5899 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
5902 2005-07-27 Richard Guenther <rguenther@suse.de>
5904 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
5905 Avoid pushing again if current struct contains only
5906 fields we decomposed.
5908 2005-07-27 Jan Hubicka <jh@suse.cz>
5910 PR tree-optimization/22574
5911 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
5914 * tree-tailcall.c (decrease_profile): New function.
5915 (eliminate_tail_call): Use it.
5917 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
5918 visibility flags correctly in whole program mode.
5920 2005-07-26 Steve Ellcey <sje@cup.hp.com>
5922 PR rtl-optimization/22472
5923 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
5925 2005-07-26 Steven Bosscher <stevenb@suse.de>
5927 PR tree-optimization/22504
5928 * tree-complex.c (expand_complex_addition): Use 'code' instead
5929 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
5931 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
5933 * config.gcc (cpu_type): Add frv case.
5934 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
5935 (supported_defaults): Add fr550 case.
5937 2005-07-26 Diego Novillo <dnovillo@redhat.com>
5940 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
5941 whether a pointer of type T * may point to objects of type T *.
5943 2005-07-26 DJ Delorie <dj@redhat.com>
5945 * configure: Regenerate.
5947 2005-07-26 Dale Johannesen <dalej@apple.com>
5949 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
5951 2005-07-26 Mark Mitchell <mark@codesourcery.com>
5953 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
5954 Clarify use of "build" in name.
5956 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
5958 * doc/extend.texi (Raw read/write Functions): New section.
5959 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
5960 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
5961 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
5962 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
5963 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
5964 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
5965 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
5966 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
5967 * config/frv/frv.c: Add bdesc_loads global.
5968 Add bdesc_stores global.
5969 (frv_init_builtins): Add support for __builtin_{read/write}*.
5970 (frv_volatile_memref): New.
5971 (frv_expand_load_builtin): New.
5972 (frv_expand_store_builtin): New.
5973 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
5974 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
5975 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
5976 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
5977 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
5978 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
5979 (builtin_read_<mode>): New.
5980 (builtin_write_<mode>): New.
5981 (builtin_write64): New.
5982 (optional_membar_<mode>): New.
5984 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
5986 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
5987 (rather than units) against HOST_BITS_PER_WIDE_INT.
5989 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
5991 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
5992 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
5993 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
5994 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
5997 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
5998 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
5999 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
6001 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
6003 2005-07-26 Richard Guenther <rguenther@suse.de>
6005 PR tree-optimization/22486
6006 * fold-const.c (fold_unary): Fold away useless component
6007 references of the form (T *)&T.x, if the address
6010 2005-07-25 James E Wilson <wilson@specifixinc.com>
6012 * dwarf2out.c (add_call_src_coords_attributes): New.
6013 (gen_inlined_subroutine_die): Call it.
6014 (maybe_emit_file, init_file_table): Add comments.
6015 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
6017 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
6018 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
6019 * tree.h (BLOCK_SOURCE_LOCATION): New.
6020 (struct tree_block): New field locus.
6022 2005-07-26 Andreas Schwab <schwab@suse.de>
6024 PR rtl-optimization/23043
6025 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
6026 when allocating a struct unoccr.
6028 2005-07-25 Richard Henderson <rth@redhat.com>
6031 * tree-complex.c (gate_no_optimization): True if errors.
6032 * Makefile.in (tree-complex.o): Update dependencies.
6034 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
6036 * config/frv/predicates.md (integer_register_operand): Use
6039 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
6042 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
6044 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
6046 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
6048 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
6049 types when flag_unsafe_math_optimizations is true.
6051 2005-07-25 Mark Mitchell <mark@codesourcery.com>
6053 * gcc.c (option_map): Add --sysroot.
6054 (process_command): Handle --sysroot.
6055 (display_help): Document it.
6056 * doc/cppopts.tex (-isysroot): Document.
6057 * doc/invoke.texi (--sysroot): Document.
6058 * doc/install.texi (--with-build-sysroot): Document.
6060 * Makefile.in (inhibit_libc): New variable.
6061 (INHIBIT_LIBC_CFLAGS): Likewise.
6062 (LIBGCC2_CFLAGS): Include
6063 $(INHIBIT_LIBC_CFLAGS).
6064 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
6065 ($(T)crtbegin.o): Do not use @inhibit_libc@.
6066 ($(T)crtend.o): Likewise.
6067 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
6068 ($(T)crtendS.o): Likewise.
6069 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
6070 ($(T)crtendT.o): Likewise.
6071 (stmp-fixinc): Do not complain about missing headers if
6073 * configure.ac (inhibit_libc): Set it to true/false.
6074 (--with-build-sysroot): New option. Use it to set
6076 * configure: Regenerated.
6078 2005-07-25 Manfred Hollstein <mh@suse.com>
6080 * calls.c (store_one_arg): Fix unsigned comparison warning.
6082 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
6085 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
6086 (ggc_print_statistics): Initialize variable before use.
6088 2005-07-25 Richard Guenther <rguenther@suse.de>
6090 * tree-dfa.c (mark_new_vars_to_rename): Protect against
6091 calling with a PHI_NODE argument.
6093 * tree-flow-inline.h (overlap_subvar): Protect against
6096 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
6098 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
6099 * configure: Regenerate.
6101 2005-07-25 Ira Rosen <irar@il.ibm.com>
6103 * expr.c (highest_pow2_factor): Make extern.
6104 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
6105 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
6106 record_array_differ_p, array_ptr_differ_p): Likewise.
6107 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
6108 additional cases. Call the above functions.
6109 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
6110 base_object_differ_p when there are two base objects. Otherwise, compare
6111 base address and offset. Call may_alias_p.
6112 (dump_data_reference): Use a correct field name.
6113 (analyze_array): Make static. Initialize new data-ref fields.
6114 (analyze_indirect_ref): New function.
6115 (init_data_ref): Initialize new data-ref fields.
6116 (strip_conversion): Moved from tree-vect-analyze.c.
6117 (analyze_offset_expr, get_ptr_offset, address_analysis,
6118 object_analysis): Likewise.
6119 (analyze_offset): New function.
6120 (create_data_ref): Likewise.
6121 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
6122 dimensions for ARRAY_REFs only.
6123 (build_classic_dist_vector): Make static.
6124 (access_functions_are_affine_or_constant_p): Call macro to get the
6125 address of access functions.
6126 (compute_all_dependences): Add new parameter
6127 compute_self_and_read_read_dependences. Compute self and read-read
6128 dependences if it is true.
6129 (find_data_references_in_loop): Call create_data_ref. Initialize new
6131 (compute_data_dependences_for_loop): Add new parameter
6132 compute_self_and_read_read_dependences. Remove parameter nb_loops,
6133 compute nb_loops. Call compute_all_dependences,
6134 build_classic_dist_vector and build_classic_dir_vector with correct
6136 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
6137 with correct parameters. Compare dimensions for ARRAY_REFs only.
6138 (free_data_refs): Call macro to free access functions.
6139 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
6140 fields from stmt_vinfo.
6141 (struct base_object_info): New structure.
6142 (struct data_reference): Move fields to base_object_info. Add fields
6143 first_location and object_info for above structures. Move fields from
6144 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
6145 aligned_to. Add macros to access the new fields.
6146 Update functions declarations.
6147 * tree-flow.h (is_aliased_with): Declare.
6148 * tree-loop-linear.c (linear_transform_loops): Call
6149 compute_data_dependences_for_loop with correct parameters.
6150 * tree-ssa-alias.c (is_aliased_with): New function.
6151 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
6152 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
6153 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
6154 vect_base_addr_differ_p, compute_subscript_distance and
6155 build_classic_dist_vector. Add printings. Check absolute value of
6157 (vect_analyze_data_ref_dependences): Go through ddrs instead of
6159 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
6160 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
6161 to bytes. Add printing.
6162 (vect_compute_data_refs_alignment): Go through loads and stores in one
6164 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
6165 vect_analyze_data_ref_access): Likewise.
6166 (vect_analyze_pointer_ref_access): Remove.
6167 (vect_address_analysis, vect_object_analysis): Likewise.
6168 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
6169 and analyze data-refs in the loop.
6170 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
6171 fields of data-ref instead of stmt. Add init to the offset from the
6173 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
6174 (vect_update_init_of_dr): Likewise.
6175 (vect_update_inits_of_drs): Go through loads and stores in one loop.
6176 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
6178 (new_loop_vec_info): Initialize new fields.
6179 (destroy_loop_vec_info): Free new fields.
6180 (vect_strip_conversion): Remove.
6181 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
6182 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
6183 datarefs. Add new field ddrs.
6184 Add macros for the new fields access.
6185 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
6186 base_aligned_p, misalignment, memtag, ptr_info and subvars.
6187 Remove their macros.
6188 * tree.h (highest_pow2_factor): Declare.
6190 2005-07-25 Jakub Jelinek <jakub@redhat.com>
6192 * calls.c (store_one_arg): Check for sibling call MEM arguments
6193 from already clobbered incoming argument area.
6195 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6197 * c-common.c (check_missing_format_attribute): New.
6198 * c-common.h (check_missing_format_attribute): Likewise.
6199 * c-typeck.c (convert_for_assignment): Use it.
6201 2005-07-24 Andreas Schwab <schwab@suse.de>
6203 * config/m68k/m68k.md ("extendqidi2"): When source is an address
6204 register use a word move. Correct operand of ext.w in 68000 code.
6206 2005-07-23 Mark Mitchell <mark@codesourcery.com>
6208 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
6209 variables as declarations, rather than definitions.
6211 2005-07-24 Ira Rosen <irar@il.ibm.com>
6213 PR tree-optimization/22526
6214 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
6217 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6219 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
6220 that C99 reserve for future use. Use it to define clog10,
6221 clog10f and clog10l.
6223 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6225 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
6226 * configure.ac: Check for -Wmissing-format-attribute.
6228 * configure: Regenerate.
6230 2005-07-23 Richard Henderson <rth@redhat.com>
6232 PR tree-optimization/22623
6233 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
6235 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
6238 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
6240 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6242 * Makefile.in (C_TREE_H): Update dependencies.
6243 * c-tree.h: Include toplev.h.
6244 * diagnostic.h (diagnostic_set_info): Add format attribute.
6245 * rtl-error.c (diagnostic_for_asm): Likewise.
6247 2005-07-23 Chao-ying Fu <fu@mips.com>
6249 * config/mips/mips-dsp.md: New file.
6250 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
6251 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
6253 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
6254 MIPS_BUILTIN_BPOSGE32.
6255 (mips_expand_builtin_direct): Add one parameter to indicate that
6256 builtin functions need to return a value.
6257 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
6259 (mips_regno_to_class): Add classes for 12 new DSP registers.
6260 (mips_subword): Change to check four HI registers.
6261 (mips_output_move): Output move to and from 6 new DSP accumulators.
6262 (override_options): Make sure -mdsp and -mips16 are not used together.
6263 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
6265 (mips_conditional_register_usage): Disable 6 new DSP accumulators
6267 (print_operand): Add 'q' for printing DSP accumulators.
6268 (mips_cannot_change_mode_class): Check ACC_REGS.
6269 (mips_secondary_reload_class): Check ACC_REGS.
6270 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
6271 (mips_register_move_cost): Check ACC_REGS.
6272 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
6273 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
6274 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
6275 (dsp_bdesc): New array.
6276 (bdesc_arrays): Add DSP builtin function table.
6277 (mips_prepare_builtin_arg): Check predicate again after
6279 (mips_expand_builtin): Add one more parameter to
6280 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
6281 MIPS_BUILTIN_BPOSGE32.
6282 (mips_init_builtins): Initialize new function types.
6283 (mips_expand_builtin_direct): Check if builtin functions need to
6284 return a value and pass operands properly.
6285 (mips_expand_builtin_bposge): New function.
6286 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
6287 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
6288 (FIRST_PSEUDO_REGISTER): Increase to 188.
6289 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
6290 Update for 12 new DSP registers.
6291 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
6292 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
6293 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
6294 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
6295 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
6296 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
6297 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
6298 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
6299 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
6300 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
6301 (REGISTER_NAMES): Add names for 12 new DSP registers.
6302 * config/mips/mips.md: Include mips-dsp.md.
6303 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
6304 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
6305 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
6306 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
6307 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
6308 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
6309 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
6310 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
6311 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
6312 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
6313 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
6314 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
6315 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
6316 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
6317 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
6318 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
6319 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
6320 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
6321 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
6322 (UNSPEC_RDDSP): New constants.
6323 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
6324 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
6326 * config/mips/mips.opt (-mdsp): New option.
6327 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
6328 (reg_imm10_operand): New predicates.
6329 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
6330 * doc/invoke.texi (-mdsp): Document new option.
6332 2005-07-22 DJ Delorie <dj@redhat.com>
6334 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
6336 * tree-inline.c (inlinable_function_p): Likewise.
6338 2005-07-22 Mark Mitchell <mark@codesourcery.com>
6341 * toplev.c (check_global_declarations): Do not mark undefined
6342 variables as DECL_IGNORED_P.
6343 * varasm.c (first_global_object_name): GTY it.
6344 (weak_global_object_name): Likewise.
6345 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
6346 a string to go into {weak,first}_global_object_name.
6348 2005-07-22 DJ Delorie <dj@redhat.com>
6350 * c-format.c (check_function_format): Change warning control
6351 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
6353 2005-07-22 Diego Novillo <dnovillo@redhat.com>
6355 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
6356 &PTR->FLD a dereference of PTR.
6357 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
6358 a potential dereference of PTR.
6360 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
6362 PR rtl-optimization/20370
6363 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
6364 call allocate_reg_info if necessary.
6366 PR rtl-optimization/21848
6367 * calls.c (emit_library_call_value_1): For const functions, add
6368 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
6370 PR rtl-optimization/22445
6371 * cselib.c (target.h): Include.
6372 (rtx_equal_for_cselib_p): Allow commutative matches.
6373 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
6374 Remove MODE parameter. Changed all callers.
6376 PR rtl-optimization/22258
6377 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
6379 (try_combine): Use likely_spilled_retval_p.
6381 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
6383 * config.gcc: Add crx-elf support.
6385 * doc/contrib.texi: Mention crx.
6386 * doc/extend.texi: Document crx extensions.
6387 * doc/install.texi: Document crx install.
6388 * doc/invoke.texi: Document crx options.
6389 * doc/md.texi: Document crx constraints.
6391 * config/crx/crx-protos.h: New file.
6392 * config/crx/crx.c: New file.
6393 * config/crx/crx.h: New file.
6394 * config/crx/crx.md: New file.
6395 * config/crx/crx.opt: New file.
6396 * config/crx/t-crx: New file.
6398 2005-07-22 Manfred Hollstein <mh@suse.com>
6400 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
6402 (int_add_graph_edge): Likewise.
6403 (collapse_nodes): Likewise.
6404 (process_unification_queue): Likewise.
6406 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6407 Laurent GUERBY <laurent@guerby.net>
6409 PR tree-optimization/22336
6410 * function.c (record_block_change): Check for
6411 cfun->ib_boundaries_block.
6413 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
6415 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
6416 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
6418 2005-07-21 DJ Delorie <dj@redhat.com>
6420 * toplev.c (warn_deprecated_use): Add warning control to warning
6422 * c-typeck.c (parser_build_binary_op): Likewise.
6423 (c_finish_if_stmt): Likewise.
6424 * c-common.c (check_function_sentinel): Likewise.
6425 (check_nonnull_arg): Likewise.
6427 2005-07-21 Richard Henderson <rth@redhat.com>
6430 * tree-complex.c (complex_ssa_name_components): New.
6431 (cvc_lookup): Allow entry not found.
6432 (create_components): Remove.
6433 (create_one_component_var, get_component_var): New.
6434 (get_component_ssa_name, set_component_ssa_name): New.
6435 (extract_component): Use get_component_ssa_name.
6436 (update_complex_components): Use set_component_ssa_name.
6437 (update_complex_components_on_edge): Likewise.
6438 (update_phi_components): Create new PHI nodes directly, instead
6439 of adding insns to edges.
6440 (tree_lower_complex): Allocate and free complex_variable_components
6441 and complex_ssa_name_components here.
6443 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
6445 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
6446 revert to returning false.
6448 2005-07-21 Uros Bizjak <uros@kss-loka.si>
6451 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
6453 2005-07-21 Uros Bizjak <uros@kss-loka.si>
6456 * config/i386/i386.md (cmpxf): Change operand constraints
6457 to "nonmemory_operand".
6459 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6461 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
6463 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6466 * fold-const.c (fold_build1): Add checksum for the operands.
6467 (fold_build2): Likewise.
6468 (fold_build3): Likewise.
6470 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6473 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
6475 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6477 * common.opt (-fforward-propagate): Committed by mistake,
6480 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6482 * reg-stack.c: Fix comment typo(s).
6483 * tree-ssa-operands.c: Likewise.
6484 * tree-vectorizer: Likewise.
6486 2005-07-21 Nick Clifton <nickc@redhat.com>
6488 * config/sh/symbian.c: Replace C++ style line comments with C
6489 style line comments.
6490 (symbian_add_attribute): Do not use a ? operator on the LHS of
6492 (sh_symbian_handle_dll_attribute): Change the type of the
6493 method vector to "VEC(tree,gc)*" and use vector accessor
6494 macros to walk over the elements.
6495 (symbian_export_vtable_and_rtti_p): Likewise.
6496 (symbian_class_needs_attribute_p): Likewise.
6498 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6501 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
6502 initialize targetm.resolve_overloaded_builtin here.
6503 (altivec_expand_overloaded_builtin): Make it non-static.
6504 * config/rs6000/rs6000-protos.h
6505 (altivec_expand_overloaded_builtin): New prototype.
6506 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
6507 targetm.resolve_overloaded_builtin here.
6508 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
6510 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6511 Zdenek Dvorak <dvorakz@suse.cz>
6513 PR tree-optimization/19210
6514 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
6516 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
6517 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
6518 rely on unproven assumptions.
6519 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
6520 * tree-flow.h (number_of_iterations_exit): Add final parameter.
6521 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
6522 to number_of_iterations_exit.
6523 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
6524 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
6525 * tree-ssa-loop-niter.c (find_loop_niter,
6526 estimate_numbers_of_iterations_loop): Likewise.
6527 (number_of_iterations_exit): Honor the new options.
6528 * doc/invoke.texi (Wunsafe-loop-optimizations,
6529 funsafe-loop-optimizations): Document them.
6531 2005-07-21 Richard Sandiford <richard@codesourcery.com>
6533 PR rtl-optimization/22167
6534 * gcse.c (hoist_code): Fix hoist_exprs[] check.
6536 2005-07-20 Adam Nemet <anemet@lnxw.com>
6538 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
6539 __do_global_dtors_aux longcall.
6541 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
6543 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
6544 (old_special_pred_table): Don't reference
6545 SPECIAL_MODE_PREDICATES.
6546 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
6547 * config/arc/arc.h: Don't mention PREDICATE_CODES.
6548 * config/sh/predicates.h: Don't mention
6549 SPECIAL_MODE_PREDICATES.
6550 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
6553 2005-07-20 DJ Delorie <dj@redhat.com>
6555 * config.gcc: Add m32c-elf support.
6557 * doc/contrib.texi: Mention m32c.
6558 * doc/extend.texi: Document m32c extensions.
6559 * doc/install.texi: Mention m32c.
6560 * doc/invoke.texi: Document m32c options.
6561 * doc/md.texi: Document m32c constraints.
6563 * config/m32c/addsub.md: New file.
6564 * config/m32c/bitops.md: New file.
6565 * config/m32c/cond.md: New file.
6566 * config/m32c/jump.md: New file.
6567 * config/m32c/m32c-lib1.S: New file.
6568 * config/m32c/m32c-lib2.c: New file.
6569 * config/m32c/m32c-modes.def: New file.
6570 * config/m32c/m32c-pragma.c: New file.
6571 * config/m32c/m32c-protos.h: New file.
6572 * config/m32c/m32c.abi: New file.
6573 * config/m32c/m32c.c: New file.
6574 * config/m32c/m32c.h: New file.
6575 * config/m32c/m32c.md: New file.
6576 * config/m32c/m32c.opt: New file.
6577 * config/m32c/minmax.md: New file.
6578 * config/m32c/mov.md: New file.
6579 * config/m32c/muldiv.md: New file.
6580 * config/m32c/predicates.md: New file.
6581 * config/m32c/prologue.md: New file.
6582 * config/m32c/shift.md: New file.
6583 * config/m32c/t-m32c: New file.
6585 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
6587 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
6588 (stack_protect_set, stack_protect_test): New expanders.
6589 (stack_protect_set_si, stack_protect_set_si_media,
6590 stack_protect_set_di_media, stack_protect_test_si,
6591 stack_protect_test_si_media, stack_protect_test_di_media):
6594 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
6596 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
6598 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
6600 * tree.h (tree_expr_nonzero_p): Export.
6601 * fold-const.c (tree_expr_nonzero_p): Likewise.
6602 Return true for CALL_EXPRs that are alloca calls.
6603 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
6605 * tree-flow.h (expr_computes_nonzero): Remove.
6606 * tree-vrp.c (expr_computes_nonzero): Remove.
6607 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
6608 (extract_range_from_unary_expr): Likewise.
6609 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
6610 tree_expr_nonzero_p.
6612 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
6614 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
6615 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
6616 extra arg "picreg" and use it instead of pic_offset_table_rtx.
6617 All callers changed.
6618 (frame_related_constant_load): New arg "related" which controls
6619 setting of RTX_FRAME_RELATED_P. All callers changed.
6620 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
6621 (bfin_expand_prologue): Add stack limit checking.
6622 * config/bfin/bfin.md (trapifcc): New pattern.
6624 * config/bfin/bfin.c: Include "langhooks.h".
6625 (def_builtin): Go through lang_hooks to call builtin_function.
6627 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
6628 * config/bfin/predicates.md (symbol_ref_operand): New.
6629 (call_insn_operand): Delete. All callers changed to use
6630 register_no_elim_operand.
6631 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
6633 (function_arg): Use it to generate the call's operand 2.
6634 (bfin_longcall_p): New function.
6635 (bfin_expand_call): Extra arg "cookie". All callers and declaration
6636 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
6637 determine if the address needs to be in a REG.
6638 (bfin_handle_longcall_attribute): New function.
6639 (bfin_attribute_table): Add "longcall" and "shortcall".
6640 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
6641 (CUMULATIVE_ARGS): New member call_cookie.
6642 (PREDICATE_CODES): Add symbol_ref_operand.
6643 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
6644 extra USE to the pattern.
6645 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
6646 New patterns, split off call_insn, sibcall_insn, call_value_insn and
6647 sibcall_value_insn; now the new patterns handle direct calls and the
6648 old ones indirect calls.
6649 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
6651 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
6653 * doc/trouble.texi: Update section on handling of empty loops.
6655 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
6657 * config.gcc: Remove support for sparc-*-openbsd*,
6658 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
6660 * config.host: Remove support for i860-*-sysv4* as a host.
6661 * config/i860/*, config/ip2k/*, config/ns32k/*,
6662 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
6663 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
6664 mention obsolete ports.
6666 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
6668 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
6670 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
6671 of frame_pointer_rtx.
6672 (sh_expand_epilogue): Likewise.
6673 (sh_set_return_address): Likewise.
6674 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
6675 instead of FRAME_POINTER_REGNUM if needed. Add elimination
6676 offsets from FRAME_POINTER_REGNUM.
6677 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
6678 (sh_register_names): Add initializer for sfp.
6679 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
6680 (VALID_REGISTER_P): Likewise.
6681 (FIRST_PSEUDO_REGISTER): Update.
6682 (DWARF_FRAME_REGISTERS): Define.
6683 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
6684 (HARD_FRAME_POINTER_REGNUM): Define.
6685 (FRAME_POINTER_REGNUM): Redefine.
6686 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
6687 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
6688 from FRAME_POINTER_REGNUM.
6689 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
6690 FRAME_POINTER_REGNUM.
6691 (REG_CLASS_CONTENTS): Add sfp.
6692 (REG_ALLOC_ORDER): Likewise.
6693 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
6694 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
6695 of frame_pointer_rtx.
6696 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
6698 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
6700 * fold-const.c (tree_expr_nonnegative_p): Only return true for
6701 ABS_EXPR when flag_wrapv is false because of INT_MIN.
6702 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
6704 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
6707 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
6709 Make CONSTRUCTOR use VEC to store initializers.
6710 * c-common.c (complete_array_type): Update to cope with VEC in
6712 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
6713 (pp_c_constructor_elts): New function.
6714 * c-pretty-print.h (pp_c_constructor_elts): Declare.
6715 * c-typeck.c (build_function_call, build_c_cast, digest_init,
6716 struct constructor_stack, struct initializer_stack,
6717 constructor_elements, push_init_level, pop_init_level,
6718 add_pending_init, find_init_member, output_init_element): Update to
6719 cope with VEC in CONSTRUCTOR_ELTS.
6720 * coverage.c (build_fn_info_value, build_ctr_info_value,
6721 build_gcov_info): Likewise.
6722 * expr.c (categorize_ctor_elements_1, store_constructor,
6723 expand_expr_real_1): Likewise.
6724 * fold-const.c (fold_ternary): Likewise.
6725 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
6726 gimplify_init_constructor, gimplify_expr): Likewise.
6727 * tree-dump.c (dequeue_and_dump): Likewise.
6728 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
6730 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
6732 * tree-sra.c (generate_element_init_1): Likewise.
6733 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
6734 * tree-ssa-operands.c (get_expr_operands): Likewise.
6735 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
6736 * tree-vect-transform.c (vect_get_vec_def_for_operand):
6737 (get_initial_def_for_reduction): Likewise.
6738 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
6739 value handle in annotations.
6740 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
6741 tree_node_structure): Add support for constr_kind.
6742 (build_vector_from_ctor, build_constructor_single,
6743 build_constructor_from_list): New functions.
6744 (build_constructor): Update to take a VEC instead of a TREE_LIST.
6745 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
6746 Update to cope with VEC in CONSTRUCTOR_ELTS.
6747 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
6748 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
6749 CONSTRUCTOR_APPEND_ELT): New macros.
6750 (struct constructor_elt, struct tree_constructor): New data types.
6751 (union tree_node): Add tree_constructor field.
6752 * treestruct.def: Define TS_CONSTRUCTOR.
6753 * varasm.c (const_hash_1, compare_constant, copy_constant,
6754 compute_reloc_for_constant, output_addressed_constants,
6755 initializer_constant_valid_p, output_constant,
6756 array_size_for_constructor, output_constructor): Update to cope with
6757 VEC in CONSTRUCTOR_ELTS.
6758 * vec.h (VEC_empty, VEC_copy): New macros.
6760 2005-07-19 Devang Patel <dpatel@apple.com>
6762 * dbxout.c (dbxout_type): Check Objective-C++ lang.
6764 2005-07-19 Richard Henderson <rth@redhat.com>
6767 * gimplify.c (gimplify_expr): Use main variant type for the temp
6768 destination for a discarded volatile read.
6769 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
6770 casts between non-void types that change volatility.
6772 2005-07-15 DJ Delorie <dj@redhat.com>
6774 * toplev.h: Add comment about the first parameter for warning().
6775 * errors.h: Likewise.
6777 * c.opt (Wpragmas): New.
6778 * doc/invoke.texi: Document it.
6780 * function.c (do_warn_unused_parameter): Add warning control to
6782 * c-decl.c (warn_if_shadowing): Likewise.
6783 * c-lex.c (cb_def_pragma): Likewise.
6784 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
6785 (pop_alignment): Likewise.
6786 (handle_pragma_pack): Likewise.
6787 (apply_pragma_weak): Likewise.
6788 (handle_pragma_weak): Likewise.
6789 (handle_pragma_redefine_extname): Likewise.
6790 (add_to_renaming_pragma_list): Likewise.
6791 (handle_pragma_extern_prefix): Likewise.
6792 (maybe_apply_renaming_pragma): Likewise.
6793 (handle_pragma_visibility): Likewise.
6795 * config/c4x/c4x-c.c (BAD): Likewise.
6796 (c4x_parse_pragma): Likewise.
6797 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
6798 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
6799 (rs6000_pragma_longcall): Likewise.
6800 * config/v850/v850-c.c (pop_data_area): Likewise.
6801 (ghs_pragma_section): Likewise.
6802 (ghs_pragma_section): Likewise.
6803 (ghs_pragma_interrupt): Likewise.
6804 (ghs_pragma_starttda): Likewise.
6805 (ghs_pragma_startsda): Likewise.
6806 (ghs_pragma_startzda): Likewise.
6807 (ghs_pragma_endtda): Likewise.
6808 (ghs_pragma_endsda): Likewise.
6809 (ghs_pragma_endzda): Likewise.
6811 2005-07-19 Danny Berlin <dberlin@dberlin.org>
6812 Kenneth Zadeck <zadeck@naturalbridge.com>
6814 * Makefile.in: Removed tree-promote-statics.c
6815 * tree-promote-statics.c: Removed.
6816 * common.opt: Removed flag-promote-statics.
6818 * passes.c: Removed tree-promote-statics pass.
6819 * tree-pass.h: Ditto.
6820 * timevar.def: Removed TV_PROMOTE_STATICS.
6823 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
6825 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
6827 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
6829 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6832 * c-common.c (check_function_arguments): Call
6833 'check_function_format' if either -Wformat or
6834 -Wmissing-format-attribute are specified.
6835 * c-format.c (check_function_format): Check -Wformat before
6836 calling 'check_format_info'.
6837 * c-opts.c (c_common_post_options): Don't warn for
6838 -Wmissing-format-attribute without -Wformat.
6839 * c-typeck.c (convert_for_assignment): Detect additional cases for
6840 -Wmissing-format-attribute.
6841 * doc/invoke.texi (-Wmissing-format-attribute): Document new
6844 2005-07-19 Richard Guenther <rguenther@suse.de>
6846 * config/i386/i386.md (lrint<mode>2): Use temporary
6847 instead of clobbering non-existent memory.
6849 2005-07-19 Nick Clifton <nickc@redhat.com>
6851 * config/avr/avr.c (legitimate_address_p): Fix debugging print
6852 statement to avoid displaying ASCII control characters.
6854 2005-07-19 Ben Elliston <bje@au.ibm.com>
6856 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
6857 * cfganal.c (find_edge_index): Ditto.
6858 * combine.c (combine_instructions): Ditto.
6859 * ddg.c (create_scc): Ditto.
6860 (find_successors): Ditto.
6861 (find_predecessors): Ditto.
6862 (find_nodes_on_paths): Ditto.
6863 (longest_simple_path): Ditto.
6864 * flow.c (update_life_info): Ditto.
6865 (count_or_remove_death_notes): Ditto.
6866 (clear_log_links): Ditto.
6867 * modulo-sched.c (generate_reg_moves): Ditto.
6868 (find_max_asap): Ditto.
6869 (find_max_hv_min_mob): Ditto.
6870 (find_max_dv_min_mob): Ditto.
6871 * sbitmap.c (sbitmap_first_set_bit): Ditto.
6872 * sched-rgn.c (extract_edgelst): Ditto.
6873 * tree-into-ssa.c (prepare_names_to_update): Ditto.
6874 (dump_update_ssa): Ditto.
6875 (ssa_names_to_replace) Ditto.
6876 (switch_virtuals_to_full_rewrite): Ditto.
6877 (update_ssa): Ditto.
6878 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
6880 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
6882 Fix PR tree-optimization/22483
6884 * tree-complex.c (create_components): Use
6885 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
6886 * tree-flow-inline.h (fill_referenced_var_vec): New function.
6887 * tree-flow.h (safe_referenced_var_iterator): New structure.
6888 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
6889 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
6890 safe_referenced_var iterator.
6891 (add_type_alias): Ditto.
6893 2005-07-19 Steven Bosscher <stevenb@suse.de>
6895 * loop-init.c (rest_of_handle_loop2): Remove.
6896 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
6897 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
6898 (pass_rtl_loop_init, pass_rtl_loop_done,
6899 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
6900 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
6901 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
6902 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
6903 pass_tree_loop_done, and pass_tree_unswitch.
6904 (gate_loop): Rename to gate_tree_loop.
6905 * passes.c (init_optimization_passes): Update for renamed tree
6906 loop passes. Add the new loop2 passes as subpasses of loop2.
6907 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
6908 Update for the renamed tree loop passes.
6910 2005-07-18 Ian Lance Taylor <ian@airs.com>
6913 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
6914 blocks when optimizing.
6916 2005-07-18 Steve Ellcey <sje@cup.hp.com>
6918 * common.opt (frename-registers): Initialize to 2.
6920 (fgcse-after-reload): Ditto.
6921 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
6922 (process_options): Only change flag_web, flag_rename_registers,
6923 and flag_rerun_cse_after_loop if not explicitly set by user.
6925 2005-07-18 Jan Beulich <jbeulich@novell.com>
6927 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
6928 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
6929 in 64-bit mode the same as DImode in 32-bit mode.
6930 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
6931 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
6932 mode. Add new mode parameter.
6933 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
6934 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
6935 x86_64_shift_adj): New expanders.
6936 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
6937 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
6939 Respective new splitters. Use renamed shift splitter helpers in 32-bit
6940 DImode shift splitters.
6941 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
6942 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
6945 2005-07-18 Jan Beulich <jbeulich@novell.com>
6947 * i386.md (movdi_extzv_1): New.
6948 (zero_extendhidi2): Combine alternatives and never force use of
6950 (zero_extendqidi2): Likewise. Don't restrict input selection.
6952 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
6954 Fix PR tree-optimization/22531
6955 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
6958 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
6960 * tree-promote-statics.c (pass_promote_statics): Change dump file
6963 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
6965 * tree-optimize.c (init_tree_optimization_passes): Add
6966 pass_eliminate_useless_stores pass.
6967 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
6968 * tree-ssa-pre.c (is_copy_stmt): New function.
6969 (follow_copies_till_vuse): Ditto.
6970 (do_eustores): Ditto.
6971 (gate_eustores): Ditto.
6973 2005-07-16 Richard Henderson <rth@redhat.com>
6975 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
6977 2005-07-16 Danny Berlin <dberlin@dberlin.org>
6978 Kenneth Zadeck <zadeck@naturalbridge.com>
6980 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
6981 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
6982 ipa-type-escape.h, tree-promote-statics.c
6983 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
6984 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
6985 tree-promote-statics.c: new files.
6986 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
6987 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
6988 int nonlocal_set_p, mark_constant_function): Deleted.
6989 (rest_of_handle_cfg): Removed call to mark_constant_function.
6990 (nonoverlapping_component_refs_p): Added calls to support
6991 type based aliasing.
6992 * tree-ssa-alias.c (may_alias_p,
6993 compute_flow_insensitive_aliasing): Ditto.
6994 * calls.c (flags_from_decl_or_type): Removed reference to
6996 * c-typeck.c (convert_arguments): Make builtins tolerant of having
6997 too many arguments. This is necessary for Spec 2000.
6998 * cgraph.h (const_function, pure_function): Removed.
6999 * common.opt: Added "fipa-pure-const", "fipa-reference",
7000 "fipa-type-escape", and "ftree-promote-static".
7002 * passes.c: Added ipa and tree-promote-statics passes.
7003 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
7004 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
7005 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
7006 * tree-flow.h: Added exposed sra calls and addition of
7007 reference_vars_info field for FUNCTION_DECLS.
7008 * tree-pass.h: Added passes.
7009 * tree-sra.c: (sra_init_cache): New function.
7010 (sra_insert_before, sra_insert_after) Made public.
7011 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
7013 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
7014 aliasing. (may_alias_p): Added code to use type escape analysis to
7016 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
7017 code to prune clobbers of static variables based on information
7018 produced in ipa-reference pass. Changed call clobbering so that
7019 statics are not marked as clobbered if the call does not clobber
7022 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
7024 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
7027 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7029 * doc/install.texi (*-*-solaris2*): Document recommended version
7030 of GNU binutils and mention GNU linker problem on Solaris 10.
7032 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
7035 * c-decl.c (c_build_bitfield_integer_type): New function.
7036 (finish_struct): Call it.
7037 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
7039 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7041 * c-typeck.c (digest_init): Call 'convert_for_assignment'
7044 2005-07-16 Jan Hubicka <jh@suse.cz>
7046 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
7047 (scale_bbs_frequencies_int): Watch roundoff errors.
7048 * predict.c (return_prediction): Initialize return_stmt.
7050 2005-07-16 Jan Hubicka <jh@suse.cz>
7052 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
7053 after RTL profiling.
7055 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
7058 * fold-const.c (build_range_check): Convert high/low to etype
7059 if we are only comparing against exp.
7061 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
7063 Fix PR tree-optimization/22376
7064 * tree-ssa-structalias.c (build_constraint_graph): We really meant
7066 (need_to_solve): New function.
7067 (compute_points_to_sets): Use it.
7069 2005-07-15 Jan Hubicka <jh@suse.cz>
7071 * cfg.c (update_bb_profile_for_threading): More diagnostic.
7072 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
7074 2005-07-15 Richard Guenther <rguenther@suse.de>
7076 * c-common.c (handle_flatten_attribute): New function.
7077 Add flatten function attribute.
7078 * doc/extend.texi: Document flatten function attribute.
7079 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
7080 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
7082 (cgraph_decide_inlining): Handle functions with flatten
7085 2005-07-14 David Edelsohn <edelsohn@gnu.org>
7087 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
7088 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
7089 UNSPEC_XCHG, UNSPEC_AND): New.
7090 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
7091 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
7092 * config/rs6000/sync.md (FETCHOP): New code macro.
7093 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
7095 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
7096 (sync_compare_and_swap<mode>): Same.
7097 (sync_lock_test_and_set<mode>): Same.
7098 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
7099 for QImode and HImode, and not PPC405.
7100 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
7101 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
7102 (sync_<fetchop>{si,di}_internal): New.
7103 (sync_nand{si,di}_internal): New.
7104 (sync_old_<fetchop>{si,di}_internal): New.
7105 (sync_old_nand{si,di}_internal): New
7106 (sync_new_<fetchop>{si,di}_internal): New.
7107 (sync_new_nand{si,di}_internal): New.
7108 (atomic_and{si,di}): New.
7109 (sync_new_nand{si,di}_internal): New.
7110 (atomic_and{si,di}): New.
7111 (sync_add<mode>_internal): Delete.
7112 (sync_addshort_internal): Use unspec instead of unspec_volatile.
7113 (sync_sub<mode>_internal): Delte.
7114 (sync_subshort_internal): New.
7115 (sync_andsi_internal): Use unspec instead of unspec_volatile.
7116 (sync_anddi_internal): Delete.
7117 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
7118 (sync_booldi_internal): Delete.
7119 (sync_boolc<mode>_internal): Delete.
7120 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
7121 (sync_boolc<mode>_internal2): Delete.
7122 (sync_boolcc<mode>_internal): Delete.
7123 (isync, lwsync): Use unspec instead of unspec_volatile.
7124 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
7125 Revert UNSPEC_VOLATILE.
7126 (rs6000_split_atomic_op): New.
7127 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
7129 2005-07-14 Eric Christopher <echristo@redhat.com>
7131 * config/mips/mips.c (mips_canonicalize_comparison): Cast
7132 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
7134 2005-07-14 Eric Christopher <echristo@redhat.com>
7136 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
7138 2005-07-14 Steven Bosscher <stevenb@suse.de>
7140 PR tree-optimization/22230
7141 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
7142 the computation of the four cross productions for "range op range".
7144 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
7145 Ulrich Weigand <uweigand@de.ibm.com>
7148 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
7151 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
7153 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
7155 2005-07-14 Steve Ellcey <sje@cup.hp.com>
7157 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
7159 2005-07-14 Richard Guenther <rguenther@suse.de>
7162 * config/i386/i386-protos.h (ix86_function_value): Change
7163 prototype to match new target hook.
7164 * config/i386/i386.c (ix86_value_regno): Change prototype
7165 to take extra type argument.
7166 (TARGET_FUNCTION_VALUE): Define.
7167 (ix86_function_ok_for_sibcall): Pass extra argument to
7168 ix86_value_regno, check return slot rtx for exact match.
7169 (ix86_function_value): Take extra parameter. Dispatch to
7170 ix86_value_regno with fndecl/fntype as provided.
7171 (ix86_value_regno): Handle extra type argument.
7172 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
7174 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
7175 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
7176 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
7177 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
7178 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
7180 2005-07-14 Richard Guenther <rguenther@suse.de>
7182 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
7183 * calls.c (expand_call): Pass fntype to hard_function_value.
7184 (emit_library_call_value_1): Likewise.
7185 * explow.c: Include target.h.
7186 (hard_function_value): Take extra argument, the fntype.
7187 Use new target hook for function_value.
7188 * expr.h (hard_function_value): Change prototype.
7189 * function.c (aggregate_value_p): Pass 0 as fntype to
7190 hard_function_value.
7191 (assign_parms): Use new target hook for function_value.
7192 Pass 0 as fntype to hard_function_value.
7193 (expand_function_end): Likewise.
7194 * reg-stack.c: Include target.h.
7195 (stack_result): Use new target hook for function_value.
7196 * target-def.h: New target hook function_value.
7197 * target.h: Likewise.
7198 * targhooks.c (default_function_value): New function.
7199 * targhooks.h (default_function_value): Declare.
7201 2005-07-13 Ian Lance Taylor <ian@airs.com>
7203 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
7205 2005-07-14 Jan Hubicka <jh@suse.cz>
7207 * tree-dfa.c (dump_variable): Use default_def function.
7208 * tree-ssa-alias.c (dump_points_to_info): Likewise.
7209 * tree-ssa.c (verify_use): Likewise.
7210 * tree-ssanames.c (release_ssa_name): Likewise.
7211 * tree-tailcall.c (eliminate_tail_call): Likewise.
7212 (tree_optimize_tail_calls_1): Likewise.
7213 * tree-vrp.c (get_value_range): Likewise.
7215 2005-07-14 Ben Elliston <bje@au.ibm.com>
7217 * gcc.c (main): Compare language[0] with '*' when iterating over
7220 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
7222 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
7223 "s390_emit_compare". Add handling of CCZ1mode.
7224 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
7225 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
7227 (s390_branch_condition_mask): Add CCZ1mode handling.
7228 * config/s390/s390.md: ("seq", "*seq"): New pattern.
7229 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
7230 Use CCZ1mode instead of CCZmode.
7231 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
7233 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
7235 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
7237 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
7239 2005-07-13 Eric Christopher <echristo@redhat.com>
7241 * config/mips/mips.c (mips_canonicalize_comparison): New.
7242 (mips_emit_int_relational): Use.
7244 2005-07-13 Eric Christopher <echristo@redhat.com>
7246 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7248 * config/s390/s390.md: Include tpf.md. Move tpf specific
7250 * config/s390/tpf.md: To here.
7251 * config/s390/s390.opt: Move tpf specific options...
7252 * config/s390/tpf.opt: to here. Add mmain option.
7253 * config/s390/tpf-unwind.h: Remove unnecessary defines.
7254 * config/s390/tpf.h: Rewrite.
7256 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
7258 * doc/tm.texi: Remove @xref{Cross-profiling}.
7260 2005-07-13 Jeff Law <law@redhat.com>
7262 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
7263 expressions, test their _DECL operands for pointer equality rather
7264 than using operand_equal_p.
7266 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
7268 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
7269 (TARGET_POSIX_IO): This.
7270 * config/darwin.h: Likewise.
7271 * config/freebsd.h: Likewise.
7272 * config/linux.h: Likewise.
7273 * config/lynx.h: Likewise.
7274 * config/netbsd.h: Likewise.
7275 * config/rs6000/linux64.h: Likewise.
7276 * config/rs6000/linux.h: Likewise.
7277 * config/s390/tpf.h: Likewise.
7278 * config/sh/embed-elf.h: Likewise.
7279 * config/sparc/linux64.h: Likewise.
7280 * config/sparc/linux.h: Likewise.
7281 * config/svr4.h: Likewise.
7282 * gcov-io.h: Likewise.
7284 * doc/tm.texi: Updated.
7286 * libgcov.c (create_file_directory): Defined only if
7287 TARGET_POSIX_IO is defined.
7288 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
7291 2005-07-13 Jan Hubicka <jh@suse.cz>
7293 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
7295 2005-07-13 David Edelsohn <edelsohn@gnu.org>
7297 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
7298 structure as argument.
7300 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
7302 PR tree-optimization/21921
7303 * tree-iterator.c (tsi_link_before): Support the case when
7304 tsi_end_p (tsi) == true.
7306 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7308 PR tree-optimization/22442
7309 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
7312 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7314 PR rtl-optimization/20376
7315 * toplev.c (process_options): Enable -fweb and -frename-registers when
7317 * doc/invoke.texi: Update the information about when -fweb and
7318 -frename-registers are enabled.
7320 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7323 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
7324 if *rhs_p is not a SSA_NAME.
7326 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
7328 Fix PR tree-optimization/22422
7329 * tree-ssa-structalias.c (struct variable_info): Add flag for
7331 (get_varinfo): Now a static function.
7332 (new_varinfo): init has_union and is_special_var to false.
7333 (solution_set_add): Check has_union.
7334 (do_da_constraint): Move temporary variable so it gets reset
7336 Also check for special variable.
7337 (do_ds_constraint): Ditto.
7338 (do_sd_constraint): Ditto.
7339 (do_structure_copy): Check for special variable.
7340 (find_func_aliases): Ditto.
7341 (init_base_vars): Set special vars properly.
7343 2005-07-13 Jan Hubicka <jh@suse.cz>
7345 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
7348 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
7349 (get_expr_operands): Fix thinko wrt flags and subvars.
7351 PR tree-optimize/22379
7352 * tree-inline.c (expand_call_inline): Do not output sorry in early
7355 2005-07-12 Dale Johannesen <dalej@apple.com>
7357 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
7359 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7362 * host-linux.h: Include limits.h.
7364 2005-07-12 Dale Johannesen <dalej@apple.com>
7366 * expr.c (compress_float_constant): Add cost check.
7367 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
7369 2005-07-12 Dale Johannesen <dalej@apple.com>
7371 * gcc.target/i386/compress-float-sse.c: New.
7372 * gcc.target/i386/compress-float-sse-pic.c: New.
7373 * gcc.target/i386/compress-float-387.c: New.
7374 * gcc.target/i386/compress-float-387-pic.c: New.
7375 * gcc.dg/compress-float-ppc.c: New.
7376 * gcc.dg/compress-float-ppc-pic.c: New.
7378 2005-07-12 Eric Christopher <echristo@redhat.com>
7380 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7382 * config/s390/s390.md: Include tpf.md. Move tpf specific
7384 * config/s390/tpf.md: To here.
7385 * config/s390/s390.opt: Move tpf specific options...
7386 * config/s390/tpf.opt: to here. Add mmain option.
7387 * config/s390/tpf-unwind.h: Remove unnecessary defines.
7388 * config/s390/tpf.h: Rewrite.
7390 2005-07-12 Eric Christopher <echristo@redhat.com>
7392 * gcc.c (struct infile): Update comment for language.
7393 (main): Rewrite input file resetting code.
7395 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7398 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
7399 requiring a cast in a non RHS of modify_expr. Add a cast when required.
7400 (lookup_avail_expr): Use constant_boolean_node instead
7401 of boolean_false_node/boolean_true_node.
7403 2005-07-12 Ben Elliston <bje@au.ibm.com>
7405 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
7406 and use it when printing num_edges.
7408 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
7410 * doc/extend.texi (Blackfin Built-in Functions): New section.
7411 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
7414 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
7416 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
7417 s/cmpstrsi/cmpstrnsi
7418 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
7420 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
7421 (init_optabs): Initialize cmpstrn_optab.
7422 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
7423 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
7424 * expr.c: (enum insn_code cmpstrn_optab): Declare.
7425 * config/i386/i386.md: s/cmpstr/cmpstrn
7426 * config/c4x/c4x.md: s/cmpstr/cmpstrn
7427 * doc/md.texi: Update documentation.
7429 2005-07-11 Richard Henderson <rth@redhat.com>
7431 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
7432 build_va_arg_indirect_ref.
7433 (alpha_gimplify_va_arg): Likewise.
7434 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
7435 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
7436 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
7437 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
7438 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
7439 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
7441 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
7443 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7445 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
7446 * passes.c (init_optimization_passes): Add pass_empty_loop.
7447 * tree-pass.h (pass_empty_loop): Declare.
7448 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
7449 try_remove_empty_loop, remove_empty_loops): New functions.
7450 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
7451 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
7453 2005-07-12 Peter Barada <peter@the-baradas.com>
7457 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
7458 in address registers.
7459 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
7460 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
7461 alternative of addsi3_5200.
7463 2005-07-11 Ian Lance Taylor <ian@airs.com>
7465 * config/mips/mips.md (ffs<mode>2): Remove.
7467 2005-07-11 Ian Lance Taylor <ian@airs.com>
7469 * doc/tree-ssa.texi (Cleanups): Improve description of
7471 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
7473 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
7475 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
7476 * tree.h (DECL_ARGUMENT_FLD): New macro.
7478 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
7480 Fix PR tree-optimization/22404
7482 * tree-ssa-structalias.c (create_variable_info_for): Use
7485 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
7487 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
7488 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
7489 for second comparison operand.
7490 * config/bfin/predicates.md (reg_or_const_int_operand): New.
7492 * config/bfin/bfin.md (define_attr "type"): Add "sync".
7493 (define_insn_reservation "alu"): Likewise.
7494 (csync, ssync): Now of type sync.
7495 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
7496 -mcsync-anomaly -mspecld-anomaly.
7497 * config/bfin/bfin.opt (mcsync): Remove.
7498 (mcsync-anomaly, mspecld-anomaly): Add.
7499 * config/bfin/bfin.c: Include "insn-codes.h".
7500 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
7501 (TARGET_DEFAULT_TARGET_FLAGS): New.
7502 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
7504 2005-07-11 Steven Bosscher <stevenb@suse.de>
7506 * basic-block.h: Give the BB flags enum a name, bb_flags.
7507 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
7508 * cfgcleanup.c (enum bb_flags): Remove here.
7509 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
7510 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
7511 (update_forwarder_flag): Likewise.
7512 (thread_jump): Likewise.
7513 (try_forward_edges): Likewise.
7514 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
7515 forwarder flags. Don't clear bb->aux for all basic blocks. Only
7516 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
7518 2005-07-11 Richard Guenther <rguenther@suse.de>
7520 * config/i386/i386.opt: New target option -msseregparm.
7521 * config/i386/i386.c (override_options): Error out for
7522 -msseregparm but no SSE support.
7523 (ix86_function_sseregparm): Check for global sseregparm.
7524 * doc/invoke.texi: Document -msseregparm.
7526 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7528 * config.gcc (m32r-*-linux*): Use the default extra_parts.
7529 (m32rle-*-linux*): Ditto.
7531 2005-07-11 Jakub Jelinek <jakub@redhat.com>
7533 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
7534 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
7537 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7541 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
7542 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
7544 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
7546 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
7547 (varmap): Heapify varmap.
7548 (constraints): Heapify constraints.
7549 (struct constraint_graph): Heapify succs and preds.
7550 (constraint_vec_find): Update for heapification.
7551 (constraint_set_union): Ditto.
7552 (insert_into_complex): Ditto.
7553 (constraint_edge_vec_find): Ditto.
7554 (erase_graph_self_edge): Ditto.
7555 (add_graph_edge): Ditto.
7556 (get_graph_weights): Ditto.
7557 (merge_graph_nodes): Ditto.
7558 (build_constraint_graph): Ditto.
7559 (topo_visit): Ditto.
7560 (solve_graph): Ditto.
7561 (create_variable_info_for): Ditto.
7562 (init_base_vars): Ditto.
7563 (delete_points_to_sets): Free graph, varmap, and complex constraints.
7564 (condese_varmap_nodes): Free complex vector.
7565 (clear_edges_for_node): Clear succs and preds vector.
7567 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
7569 * tree-ssa-structalias.c (update_alias_info): Change counting of
7570 references to not include vdefs.
7572 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
7574 * tree-ssa-alias.c (free_used_part_map): Add missing free.
7577 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7579 * pa.c (pa_commutative_p): Make PLUS commutative when
7580 TARGET_NO_SPACE_REGS is true.
7582 2005-07-09 Diego Novillo <dnovillo@redhat.com>
7584 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
7585 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
7586 * tree-dfa.c (dump_subvars_for): New.
7587 (debug_subvars_for): New.
7588 (dump_variable): Show subvariables if VAR has them.
7589 * tree-flow-inline.h (get_subvar_at): New.
7590 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
7591 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
7593 (struct subvar): Change fields offset and size to unsigned
7595 (dump_subvars_for): Declare.
7596 (debug_subvars_for): Declare.
7597 (get_subvar_at): Declare.
7598 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
7599 to unsigned HOST_WIDE_INT *.
7600 (overlap_subvar): Likewise.
7601 * tree-gimple.c (is_gimple_reg): Always return false for
7602 SFTs and memory tags.
7603 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
7605 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
7606 (compute_may_aliases): Call compute_points_to_sets.
7607 (collect_points_to_info_for): Remove.
7608 (compute_points_to_and_addr_escape): Remove.
7609 (delete_alias_info): Call delete_points_to_sets.
7610 (compute_flow_sensitive_aliasing): If the call to
7611 find_what_p_points_to returns false, call set_pt_anything.
7612 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
7613 (set_pt_anything): Clear pi->pt_vars.
7614 (set_pt_malloc): Remove.
7615 (merge_pointed_to_info): Remove.
7616 (add_pointed_to_expr): Remove.
7617 (add_pointed_to_var): Remove.
7618 (collect_points_to_info_r): Remove.
7619 (is_escape_site): Make extern.
7621 (create_overlap_variables_for): Call it.
7622 * tree-ssa-copy.c (merge_alias_info): Never merge
7623 flow-sensitive alias information.
7624 * tree-ssa-operands.c (get_expr_operands): Adjust variables
7625 offset and size to be unsigned HOST_WIDE_INT.
7626 (add_to_addressable_set): Rename from note_addressable.
7627 Set TREE_ADDRESSABLE as the variables are added to the set.
7629 (add_stmt_operand): Do not try to micro-optimize unmodifiable
7630 operands into VUSEs when adding V_MAY_DEFs for members in an
7632 * tree-ssa-operands.h (add_to_addressable_set): Declare.
7633 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
7634 (struct variable_info): Add bitfield is_heap_var.
7635 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
7636 (new_var_info): Initialize is_heap_var.
7637 (get_constraint_for): Add HEAP variables to the symbol table.
7638 Mark them with is_heap_var.
7639 (update_alias_info): New. Taken mostly from the old
7640 compute_points_to_and_addr_escape.
7641 (handle_ptr_arith): New.
7642 (find_func_aliases): Call update_alias_info.
7643 Call handle_ptr_info for tcc_binary expressions.
7644 Call mark_stmt_modified.
7645 (create_variable_info_for): If DECL has subvars, do not create
7646 variables for its subvars. Always add all the fields.
7647 (set_uids_in_ptset): If the solution includes ANYOFFSET and
7648 SFTs, then add all the SFTs of the structure.
7649 If VI->DECL is an aggregate with subvariables, add the SFT at
7651 (find_what_p_points_to): If VI is an artificial variable,
7652 translate to bitfields in SSA_NAME_PTR_INFO.
7653 If the solution is empty, set pi->pt_vars to NULL
7654 (init_base_vars): Create ANYOFFSET.
7655 (compute_points_to_sets): Rename from create_alias_vars.
7657 (pass_build_pta): Remove.
7658 (delete_points_to_sets): Rename from delete_alias_vars.
7659 (pass_del_pta): Remove.
7660 * tree-ssa-structalias.h (struct alias_info): Move from
7662 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
7663 NUM_REFERENCES_SET): Likewise.
7664 (compute_points_to_sets, delete_points_to_sets): Declare.
7666 2005-07-09 Richard Henderson <rth@redhat.com>
7668 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
7669 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
7670 alpha_split_lock_test_and_set_12): New functions.
7671 * config/alpha/alpha-protos.h: Update.
7672 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
7673 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
7674 * config/alpha/sync.md (I12MODE): New.
7675 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
7676 (sync_<fetchop_name><I48MODE>): Likewise.
7677 (sync_nand<I48MODE>): Likewise.
7678 (sync_old_<fetchop_name><I48MODE>): Likewise.
7679 (sync_new_<fetchop_name><I48MODE>): Likewise.
7680 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
7681 (sync_compare_and_swap<I48MODE>): Likewise.
7682 (sync_lock_test_and_set<I48MODE>): Likewise.
7683 (sync_compare_and_swap<I12MODE>): New.
7684 (sync_compare_and_swap<I12MODE>_1): New.
7685 (sync_lock_test_and_set<I12MODE>): New.
7686 (sync_lock_test_and_set<I12MODE>_1): New.
7688 2005-07-09 Diego Novillo <dnovillo@redhat.com>
7692 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
7694 2005-07-09 Jakub Jelinek <jakub@redhat.com>
7696 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
7697 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
7699 2005-07-09 Richard SAndiford <richard@codesourcery.com>
7702 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7704 2005-07-08 David Edelsohn <edelsohn@gnu.org>
7706 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
7707 memory_operand constraint.
7708 (store_conditional_<mode>): Same.
7709 (sync_compare_and_swap<mode>): Same.
7710 (sync_lock_test_and_set<mode>): Same.
7712 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
7714 Rewrite PIC support to more closely model actual instructions.
7715 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
7716 (cris_symbol): Remove prototypes for removed functions.
7717 (cris_pic_symbol_type_of, cris_valid_pic_const)
7718 (cris_expand_pic_call_address): Prototypes for new functions.
7719 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
7721 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
7723 <case ':'>: Add case for new punctuation character.
7724 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
7725 emitting (extra) PIC modifier.
7726 <case UNSPEC>: Do not assert for PLT.
7727 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
7728 (cris_expand_prologue, cris_expand_epilogue): Check
7729 for pic_offset_table_rtx usage instead of taking
7730 current_function_uses_pic_offset_table as the final word.
7731 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
7732 Remove flag_pic difference.
7733 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
7734 the moral equivalents of...
7735 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
7737 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
7738 (cris_handle_option): Mark ARG as unused.
7739 (cris_expand_pic_call_address): New worker function for "call",
7741 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
7742 output PIC constructs here.
7743 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
7744 as symbol-specific modifers, not whole or part of operands.
7745 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
7746 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
7747 constants and flag_pic.
7748 (CONSTANT_INDEX_P): Adjust for new functions.
7749 (enum cris_pic_symbol_type): New helper type.
7750 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
7751 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
7752 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
7754 ("movsi"): Emit actual instructions for GOT and relative access.
7755 ("*movsi_got_load"): New pattern to set up the register holding
7757 ("*movsi_internal"): Operand 1 is not a plain general_operand.
7758 Adjust FIXME for 'S'.
7759 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
7760 Use "movs" for -fpic cases.
7761 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
7762 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
7763 ("call", "call_value"): Just call cris_expand_pic_call_address for
7765 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
7766 Remove special pattern.
7767 ("*expanded_call_side", "*expanded_call_value_side"): New
7769 (gotplt-to-plt, gotplt-to-plt-side-call)
7770 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
7772 * config/cris/cris/predicates.md
7773 ("cris_general_operand_or_gotless_symbol"): Remove unused
7775 ("cris_general_operand_or_symbol"): Adjust for new functions.
7777 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7779 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
7781 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
7783 * Makefile.in (TREE_H): Add treestruct.def.
7784 (c-decl.o): Add pointer-set.h
7785 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
7786 visibility on regular DECL's.
7787 (merge_decls): Fix the copying of decl nodes of various types for
7788 the new structures. Don't update RTL, section name, weak status,
7789 etc, on DECL's without RTL.
7790 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
7791 Don't check volatile on non-variable types.
7792 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
7793 to check whether we have seen arguments.
7794 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
7795 flag is checked before field (flag is common, field is not).
7796 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
7797 TS_DECL_COMMON could have an origin.
7798 (add_location_or_const_value_attribute): Don't check section name
7799 on non-var/function decls.
7800 (dwarf2out_var_location): Reverse order of tests.
7801 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
7802 with DECL_WRTL_CHECK.
7803 * expmed.c (make_tree): rtl is now in decl_with_rtl.
7804 * fold-const.c (fold_binary): Don't check weakness on
7805 non-var/function decls.
7806 (tree_expr_nonzero_p): Ditto.
7807 (fold_checksum_tree): Use tree_decl_extra as sizeof
7809 * ggc-page.c (extra_order_size_table): Add sizes for
7810 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
7812 * gimplify.c (gimplify_bind_expr): Only set
7813 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
7814 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
7816 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
7817 * langhooks.h (init_ts). New langhook.
7818 * passes.c (rest_of_decl_compilation): Reverse order of tests.
7819 * print-tree.c (print_node): Update to only print fields that
7820 exist in the structures the passed decl has.
7821 * toplev.c (wrapup_global_declarations): Don't reset
7822 DECL_DEFER_OUTPUT on DECL's that don't contain it.
7823 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
7824 * tree-inline.c (remap_decl): Ditto.
7825 * tree-outof-ssa.c (create_temp): Reverse order of tests.
7826 * tree-pretty-print.c (print_declaration): Don't print
7827 DECL_REGISTER on things that don't contain it.
7828 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
7829 non-var/function decls.
7830 * tree.c (tree_contains_struct): New structure.
7831 (init_priority_for_decl): New hashtable.
7832 (tree_int_map): New structure.
7833 (tree_int_map_eq): New function.
7834 (tree_int_map_marked_p): Ditto.
7835 (tree_int_map_hash): Ditto.
7836 (tree_map): Move to tree.h.
7837 (tree_map_eq): Externalize.
7838 (tree_map_hash): Ditto.
7839 (tree_map_marked_p): Ditto.
7840 (init_ttree): Set up tree_contains_struct and call langhook.
7841 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
7842 (tree_code_size): Update for new structures.
7843 (tree_node_structure): Update for new structures.
7844 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
7846 (copy_node_stat): Copy init priority.
7847 (build_decl_stat): Ditto for visibility.
7848 (ts_enum_names): New.
7849 (tree_contains_struct_check_failed): New function.
7850 (decl_init_priority_lookup): Ditto.
7851 (decl_init_priority_insert): Ditto.
7852 * treestruct.def: New file.
7853 * tree.h (CODE_CONTAINS_STRUCT): New macro.
7854 (CONTAINS_STRUCT_CHECK): Ditto.
7855 (tree_contains_struct_check_failed): New prototype.
7856 (DECL_CHECK): Removed.
7857 (DECL_MINIMAL_CHECK): New.
7858 (DECL_COMMON_CHECK): Ditto.
7859 (DECL_WRTL_CHECK): Ditto.
7860 (DECL_NON_COMMON_CHECK): Ditto.
7861 (DECL_WITH_VIS_CHECK): Ditto.
7862 (VAR_OR_FUNCTION_DECL_P): Ditto
7863 (struct tree_decl_minimal): New structure.
7864 (struct tree_decl_common): Ditto.
7865 (struct tree_decl_with_rtl): Ditto.
7866 (struct tree_decl_with_vis): Ditto.
7867 (struct tree_decl_non_common): Ditto.
7868 (struct tree_field_decl): Ditto.
7869 (struct tree_parm_decl): Ditto.
7870 (struct tree_var_decl): Ditto.
7871 (struct tree_function_decl): Ditto.
7872 (struct tree_const_decl): Ditto.
7873 (struct tree_result_decl): Ditto.
7874 (union tree_node): Add new structures.
7875 * var-tracking.c (track_expr_p): Reverse order of tests.
7877 * doc/c-tree.texi: Add documentation on DECL node internal structure.
7879 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
7881 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
7882 * system.h: Poison FINALIZE_PIC.
7883 * doc/tm.texi (FINALIZE_PIC): Remove.
7885 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7888 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
7889 to the correct type if we have a MODIFY_EXPR.
7891 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
7893 PR tree-optimization/22360
7894 * tree.c (upper_bound_in_type): Fix calculations for casting
7895 to a non-wider signed type and casting a signed value to a
7896 wider unsigned type.
7897 (lower_bound_in_type): Fix calculations for casting to a
7898 non-wider signed type.
7900 PR tree-optimization/20139
7901 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
7903 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
7904 fold_cond_expr_cond.
7905 * tree-ssanames.c (release_defs): Assert in_ssa_p.
7906 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
7908 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7911 * tree-complex.c (expand_complex_libcall): Produce
7912 REALPART_EXPR/IMAGPART_EXPR with the correct type.
7914 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
7916 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
7917 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
7918 b" assert and inserted fastpath code for this case.
7919 (bitmap_ior): Removed "a != b" assert.
7921 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7923 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
7924 (ENDFILE_SPEC): Likewise.
7925 * config/m32r/m32r.h (ASM_SPEC): Likewise.
7927 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
7928 a large stack frame at epilogue.
7930 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
7932 * final.c: Include sdbout.h when required.
7934 2005-07-07 Geoffrey Keating <geoffk@apple.com>
7936 * config.gcc (*-*-darwin*): Only one target-specific header file
7938 (powerpc-*-darwin*): Add version-specific header files.
7939 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
7940 * config.in: Regenerate.
7941 * configure: Regenerate.
7942 * gcc.c: Include xregex.h.
7943 (version_compare_spec_function): New.
7944 (spec_function): Add version-compare.
7945 (replace_outfile_spec_function): Reformat comment.
7946 (compare_version_strings): New.
7947 * config/darwin-c.c (version_as_macro): New.
7948 (builtin_define): New.
7949 (darwin_cpp_builtins): New.
7950 * config/darwin-protos.h (darwin_cpp_builtins): New.
7951 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
7952 (LIB_SPEC): Make unconditional, update comment.
7953 (TARGET_C99_FUNCTIONS): Define.
7954 * config/darwin.opt: Sort.
7955 (mmacosx-version-min=): New.
7956 * config/darwin7.h: Delete.
7957 * config/darwin8.h: Delete.
7958 * config/i386/darwin.h (): Call darwin_cpp_builtins.
7959 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
7960 (TARGET_C99_FUNCTIONS): Define.
7961 * config/rs6000/darwin7.h: New.
7962 * config/rs6000/darwin8.h: New.
7963 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
7964 (-mmacosx-version-min): Document.
7966 2005-07-07 Ian Lance Taylor <ian@airs.com>
7968 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
7970 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
7973 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
7975 2005-07-07 Khem Raj <kraj@mvista.com>
7977 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
7978 in bytes, not words.
7980 2005-07-07 Paul Brook <paul@codesourcery.com>
7982 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
7983 DEFAULT_FUNCTION_ARG_PADDING to upward.
7985 2005-07-07 Richard Henderson <rth@redhat.com>
7987 * function.c (locate_and_pad_parm): Record parameter alignment in
7988 stack_alignment_needed.
7990 2005-07-07 David Edelsohn <edelsohn@gnu.org>
7992 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
7993 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
7994 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
7995 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
7996 (define_attr "type"): Add isync, sync, load_l, store_c.
7997 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
7998 Create scratch volatile MEM.
7999 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
8001 (load_locked_<mode>): New.
8002 (store_conditional_<mode>): New.
8003 (sync_compare_and_swap<mode>): Replace with splitter.
8004 (sync_lock_test_and_set<mode>): Replace with splitter.
8005 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
8007 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
8008 is ics. Attribute isync.
8009 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
8011 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
8012 and UNSPECV_SYNC_OP.
8013 (emit_unlikely_jump): New.
8014 (emit_load_locked): New.
8015 (emit_store_conditional): New.
8016 (rs6000_split_compare_and_swap): New.
8017 (rs6000_split_lock_test_and_set): New.
8018 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
8019 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
8020 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
8021 rs6000_split_lock_test_and_set): Declare.
8022 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
8023 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
8024 store_c, isync, sync.
8026 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
8028 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
8029 filenames to gtyp-gen.h.
8030 (s-typ-gen): Use it in place of for loops.
8032 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
8034 * hooks.c (hook_bool_rtx_int_false): New function.
8035 * hooks.h (hook_bool_rtx_int_false): Declare.
8036 * target-def.h (TARGET_COMMUTATIVE_P): Define.
8037 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
8038 * target.h (struct gcc_target): Add commutative_p member.
8039 * targhooks.c (hook_bool_rtx_commutative_p): New function.
8040 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
8041 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
8042 (pa_commutative_p): New function.
8043 * jump.c (target.h): Include.
8044 (rtx_renumbered_equal_p): Use targetm.commutative_p.
8045 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
8047 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
8049 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
8050 (s390_expand_setmem): New.
8051 * config/s390/s390.c: Likewise.
8052 (print_shift_count_operand): Truncate to 12 bits instead of 6.
8054 * config/s390/s390.md: ("setmem<mode>"): Accept character as
8055 general_operand. Call new function "s390_expand_setmem".
8056 ("clrmem_long", "*clrmem_long"): Rewrite to ...
8057 ("setmem_long", "*setmem_long"): ... this.
8059 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
8061 * config/s390/s390.c: (optimization_options): Enable
8062 TARGET_MVCLE at -Os.
8063 * doc/invoke.texi: Document changes in default behaviour.
8064 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
8066 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
8068 * expr.c: (set_storage_via_setmem): Convert opchar to mode
8069 defined by back-end.
8071 2005-07-07 Jakub Jelinek <jakub@redhat.com>
8073 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
8074 all sets in the pattern.
8075 * config/rs6000/rs6000.md (stack_protect_testsi,
8076 stack_protect_testdi): Likewise.
8078 2005-07-06 Jeff Law <law@redhat.com>
8080 * tree-vrp.c (simplify_using_ranges): Kill.
8081 (vrp_finalize): Remove call to simplify_using_ranges.
8082 (simplify_stmt_using_ranges): New function extracted from
8083 simplify_using_ranges.
8084 (simplify_div_or_mod_using_ranges): Likewise.
8085 (simplify_abs_using_ranges): Likewise.
8086 (simplify_cond_using_ranges): New function.
8087 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
8088 * tree-ssa-propagate.c (substitute_and_fold): Call
8089 simplify_stmt_using_ranges if we have range information.
8091 2005-07-06 James E. Wilson <wilson@specifixinc.com>
8093 * config/ia64/ia64.c (ia64_reorg): Check optimize before
8094 ia64_flag_schedule_isns2.
8096 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
8097 reading/writing general registers.
8098 (ia64_function_arg): Revert 2005-06-18 change.
8100 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
8102 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
8103 (legitimize_tls_address): Use gcc_unreachable instead of abort.
8105 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
8107 * function.c (expand_function_end): Revert part of 2005-06-27
8108 patch. Do sjlj_emit_function_exit_after after return_label.
8110 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
8112 * doc/install.texi (--disable-libssp): New.
8114 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
8116 * doc/invoke.texi: Update -fforce-mem documentation.
8117 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
8118 code for -fforce-mem.
8119 * expmed.c: (store_bit_field,store_fixed_bit_field,
8120 extract_bit_field): Ditto.
8121 * expr.c: (convert_move): Ditto.
8122 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
8123 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
8124 emit_conditional_add,expand_float,expand_fix): Ditto.
8125 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
8126 (common_handle_option): Issue warning when -fforce-mem specified.
8128 2005-07-06 Paul Brook <paul@codesourcery.com>
8130 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
8132 * configure: Regenerate.
8134 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
8136 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
8138 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
8140 Fix PR tree-optimization/22319
8141 Fix PR tree-optimization/22140
8142 Fix PR tree-optimization/22310
8144 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
8145 variable sized types.
8146 Use correct type for intermediate structure on *a = *b structure
8149 2005-07-06 Jakub Jelinek <jakub@redhat.com>
8151 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
8153 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
8154 (machine_function): Move typedef to...
8155 * config/rs6000/rs6000.c (machine_function): ... here. Add
8156 varargs_save_offset field.
8157 (rs6000_stack_t): Remove varargs_size field.
8158 (setup_incoming_varargs): Allocate varargs save area using
8159 assign_stack_local, try to make it as small as possible.
8160 Save offset from virtual_stack_vars_rtx to the save area
8161 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
8162 instead of magic 8 when fp word byte size is used.
8163 (rs6000_va_start): Use cfun->machine->varargs_save_offset
8164 instead of -RS6000_VARARGS_SIZE.
8165 (rs6000_stack_info, debug_stack_info,
8166 rs6000_initial_elimination_offset): Remove all traces of
8168 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
8169 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
8170 RS6000_VARARGS_AREA.
8172 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
8174 PR tree-optimization/21963
8175 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
8176 constant_multiple_of in the same way get_computation_cost_at does.
8178 2005-07-06 Jakub Jelinek <jakub@redhat.com>
8180 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
8181 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
8182 (gen_compare_reg): If sparc_compare_emitted is set, clear it
8183 and return its previous value.
8184 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
8185 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
8187 (stack_protect_set, stack_protect_test): New expanders.
8188 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
8189 stack_protect_testdi): New insns.
8190 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8191 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
8193 2005-07-06 Jeff Law <law@redhat.com>
8195 * tree-ssa-dce.c (cfg_altered): New global.
8196 (tree_dce_init): Initialize cfg_altered.
8197 (remove_dead_stmt): If we remove an edge in the CFG, then set
8199 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
8202 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
8204 * Makefile.in (stamp-collect-ld): Use
8205 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
8206 ./collect-ld if it already exists.
8207 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
8208 Don't remove ./nm if it already exists.
8210 2005-07-05 Devang Patel <dpatel@apple.com>
8212 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
8213 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
8214 * tree-vectorizer.c (vect_loop_location): New.
8215 (vect_print_dump_info): Use vect_loop_location.
8216 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
8217 (vectorize_loops): Set vect_loop_location.
8218 * tree-vect-analyze.c (vect_analyze_offset_expr,
8219 vect_determin_vectorization_factor, vect_analyze_operations,
8220 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
8221 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
8222 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
8223 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
8224 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
8225 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
8226 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
8227 vect_analyze_loop): Adjust vect_print_dump_info API.
8228 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8229 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
8230 vect_finish_stmt_generation, vectorizable_assignment,
8231 vectorizable_operation, vectorizable_store, vectorizable_load,
8232 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
8233 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
8234 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
8235 vect_transform_loop): Same.
8236 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
8237 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
8240 2005-07-05 Randolph Chung <tausq@debian.org>
8242 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
8243 * configure: Regenerate.
8244 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
8245 (pa_tls_referenced_p): Declare.
8246 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
8247 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
8248 (legitimize_tls_address): New.
8249 (hppa_legitimize_address): Handle TLS addresses.
8250 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
8251 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
8252 (emit_move_sequence): Handle TLS addresses.
8253 (pa_encode_section_info): Call default handler to handle common
8255 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
8256 (CONSTANT_ADDRESS_P): Reject TLS operands.
8257 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
8258 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
8259 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
8260 (UNSPEC_TLSLE): Define new constants.
8261 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
8262 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
8263 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
8264 (tie_symbolic_operand, tle_symbolic_operand): New
8266 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
8268 * aclocal.m4: Update macros for autoconf 2.59 style.
8269 * configure.ac: Likewise.
8271 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8273 * pa.c (function_value): Handle small aggregates on 32-bit targets.
8274 (function_arg): Pass small aggregates in general registers on 32-bit
8276 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
8278 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
8280 * Makefile.in (final.o): Fix dependencies.
8282 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
8286 * langhooks.h (struct lang_hooks): Add expr_to_decl.
8287 * langhooks.c (lhd_expr_to_decl): New.
8288 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
8290 (LANG_HOOKS_INITIALIZER): Update.
8291 * tree.c (recompute_tree_invarant_for_addr_expr): Call
8292 expr_to_decl langhook.
8293 * c-tree.h (c_expr_to_decl): Declare.
8294 * c-typeck.c (c_expr_to_decl): New.
8295 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
8297 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
8299 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
8302 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
8303 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
8305 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
8307 * Makefile.in: Adjust dependencies.
8308 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
8309 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
8310 * alias.c (rest_of_handle_cfg, pass_cfg): New.
8311 * bb-reorder.c (duplicate_computed_gotos): Make it static.
8312 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
8313 rest_of_compilation.
8315 * bb-reorder.c (gate_duplicate_computed_gotos,
8316 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
8317 rest_of_handle_reorder_blocks, pass_reorder_blocks,
8318 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
8319 pass_partition_blocks): New.
8320 * bt-load.c (gate_handle_branch_target_load_optimize,
8321 rest_of_handle_branch_target_load_optimize,
8322 pass_branch_target_load_optimize): New.
8323 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
8325 * cfglayout.c (pass_insn_locators_initialize): New.
8326 * cfgrtl.c (pass_free_cfg): New.
8327 * combine.c (gate_handle_combine, rest_of_handle_combine,
8329 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
8330 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
8331 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
8332 * except.c (pass_set_nothrow_function_flags,
8333 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
8335 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
8336 rest_of_handle_shorten_branches, pass_shorten_branches,
8337 rest_of_clean_state, pass_clean_state): New.
8338 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
8339 rest_of_handle_remove_death_notes, pass_remove_death_notes,
8340 rest_of_handle_life, pass_life, rest_of_handle_flow2,
8342 * function.c (pass_instantiate_virtual_regs, pass_init_function,
8343 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
8344 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
8345 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
8347 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
8348 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
8349 pass_rtl_ifcvt, gate_handle_if_after_combine,
8350 rest_of_handle_if_after_combine, pass_if_after_combine,
8351 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
8352 pass_if_after_reload): New.
8353 * integrate.c (pass_initial_value_sets): New.
8354 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
8355 pass_purge_lineno_notes): New.
8356 * mode-switching.c (rest_of_handle_mode_switching,
8357 pass_mode_switching): New.
8358 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
8359 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
8361 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
8362 pass_loop_optimize): New.
8363 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
8365 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
8367 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
8368 pass_postreload_cse): New.
8369 * profile.c (gate_handle_profiling, pass_profiling,
8370 rest_of_handle_branch_prob, pass_branch_prob): New.
8371 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
8372 pass_split_before_regstack, gate_handle_split_before_regstack,
8373 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
8374 rest_of_handle_split_all_insns, pass_split_all_insns): New.
8375 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
8376 pass_stack_regs): New.
8377 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
8378 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
8379 pass_stack_adjustments): New.
8380 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
8381 pass_regrename): New.
8382 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
8383 pass_delay_slots, gate_handle_machine_reorg,
8384 rest_of_handle_machine_reorg, pass_machine_reorg): New.
8385 * rtl.h (extern void purge_line_number_notes): New.
8386 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
8387 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
8389 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
8391 * value-prof.c (gate_handle_value_profile_transformations,
8392 rest_of_handle_value_profile_transformations,
8393 pass_value_profile_transformations): New.
8394 * var-tracking.c (gate_handle_var_tracking,
8395 pass_variable_tracking): New.
8396 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
8398 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
8399 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
8400 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
8401 rest_of_handle_old_regalloc, rest_of_handle_regrename,
8402 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
8403 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
8404 rest_of_handle_gcse2, rest_of_handle_regmove,
8405 rest_of_handle_tracer, rest_of_handle_if_conversion,
8406 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
8407 rest_of_handle_web, rest_of_handle_branch_prob,
8408 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
8409 rest_of_handle_jump_bypass, rest_of_handle_combine,
8410 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
8411 rest_of_handle_gcse, rest_of_handle_loop_optimize,
8412 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
8413 rest_of_handle_mode_switching, rest_of_handle_jump,
8414 rest_of_handle_eh, rest_of_handle_stack_adjustments,
8415 rest_of_handle_flow2, rest_of_handle_jump2,
8416 rest_of_handle_peephole2, rest_of_handle_postreload,
8417 rest_of_handle_shorten_branches, rest_of_clean_state,
8418 rest_of_compilation): Remove.
8420 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
8421 * passes.c (dump_flags, in_gimple_form, all_passes,
8422 all_ipa_passes, all_lowering_passes, register_one_dump_file,
8423 register_dump_files, next_pass_1, last_verified, execute_todo,
8424 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
8425 from tree-optimize.c.
8426 (init_optimization_passes): Moved from tree-optimize.c,
8427 adding the RTL optimizations.
8428 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
8429 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
8430 all_ipa_passes, all_lowering_passes, register_one_dump_file,
8431 register_dump_files, next_pass_1, last_verified, execute_todo,
8432 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
8433 init_tree_optimization_passes, ipa_passes): Delete.
8434 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
8436 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
8437 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
8439 (ipa_passes): Remove.
8440 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
8441 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
8442 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
8443 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
8444 (dump_info_p, dump_flag): Moved to tree-dump.h.
8446 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
8448 * passes.c (finish_optimization_passes): Use dump_begin
8449 and dump_end, TDI_end.
8450 (gate_rest_of_compilation): New.
8451 (pass_rest_of_compilation): Use it.
8452 (gate_postreload, pass_postreload): New.
8453 * toplev.c (general_init): Rename init_tree_optimization_passes.
8454 * toplev.h (init_tree_optimization_passes): Rename to
8455 init_optimizations_passes.
8456 * tree-dump.c (dump_flag): Make static.
8457 (dump_files): Remove RTL dumps.
8458 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
8459 pass_cleanup_cfg, pass_free_cfg_annotations,
8460 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
8461 pass_init_datastructures, pass_fixup_cfg): Make non-static.
8462 * tree-pretty-print.c: Include tree-pass.h.
8463 * cgraph.c: Include tree-dump.h.
8465 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
8467 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
8468 Only fall back to saying it points to readonly memory if
8471 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8473 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
8474 * config/m32r/m32r.c (m32r_compute_frame_size,
8475 m32r_expand_prologue): Take current_function_profile into
8476 account whenever we reference
8477 current_function_uses_pic_offset_table.
8478 (m32r_finalize_pic): Remove.
8479 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
8481 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
8483 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
8484 instead of $<. Don't remove ./as if it already exists.
8486 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8489 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
8490 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
8491 for complex modes when generating code for PA 1.0.
8492 (VALID_FP_MODE_P): New macro.
8493 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
8494 sets for all general and floating point modes. Align wide floating
8495 point modes to even register boundaries to comply with architectural
8497 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
8498 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
8499 (VALID_FP_MODE_P): New macro.
8500 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
8501 sets for all general and floating point modes. Align wide floating
8502 point modes to even register boundaries to comply with architectural
8505 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8507 * tree-dump.c (dump_files): Initialize dump number for .cgraph
8510 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8512 * tree-ssa-structalias.c: Don't include expr.h.
8514 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8516 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
8519 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
8521 Fix PR tree-optimization/22279
8523 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
8526 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
8528 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
8530 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
8532 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
8533 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
8534 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
8535 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
8536 config/stormy16/stormy16.c, config/v850/v850.c,
8537 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
8538 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
8539 Avoid "." or "\n" at end of diagnostics and capital letters at
8540 start of diagnostics.
8541 * combine.c, cse.c: Don't translate dump file output.
8542 * toplev.c (print_version): Only translate output if going to
8545 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
8547 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
8548 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
8551 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8553 * pa.c (fix_range): Fix typo in comment.
8555 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
8557 * tree-vrp.c (extract_range_from_assert): Replace
8558 fold (build (...)) with fold_build2.
8560 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8562 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
8563 gcc_gfc_char_table, init_dynamic_gfc_info): New.
8564 (format_types_orig, handle_format_attribute): Add support for
8567 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
8569 * varasm.c (assemble_variable): Fix format specifier thinko.
8571 2005-07-03 Ira Rosen <irar@il.ibm.com>
8573 PR tree-optimization/22029 (and 22135)
8574 * tree-pretty-print.c (dump_generic_node): Check that the node is not
8575 a phi node before calling dump_vops.
8577 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
8579 * tree-dump.h (dump_string_field): Declare.
8580 * tree-dump.c: Use it instead of dump_string.
8581 (dump_string_field): Make non-static.
8583 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
8585 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
8586 up the minimal CFG stuff always when optimize > 0. Call
8587 split_all_insns_noflow in PIC case if needed.
8589 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
8590 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
8593 * c-decl.c (c_write_global_declarations): Dump contents of
8595 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
8596 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
8597 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
8598 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
8601 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
8603 * c-common.h (GCC_DIAG_STYLE): Define.
8604 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
8605 version for format checking to 4.1.
8606 * c-format.c: Include toplev.h after c-common.h.
8607 (enum format_type): Add gcc_tdiag_format_type.
8608 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
8609 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
8610 (format_types_orig): Add gcc_tdiag.
8611 (init_dynamic_diag_info): Support gcc_tdiag formats.
8612 (handle_format_attribute): Likewise.
8613 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
8614 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
8615 version for format checking to 4.1.
8616 (warning0, warning, error, pedwarn, sorry): Use
8618 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
8619 (finish_aliases_1): Do not use %qE.
8620 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
8621 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
8622 Correct format bugs.
8623 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
8624 parameter to unsigned HOST_WIDE_INT.
8625 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
8627 2005-07-02 David Edelsohn <edelsohn@gnu.org>
8630 * expr.c (write_complex_part): Use adjust_address for MEM.
8631 (read_complex_part): Same.
8633 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
8635 Fix PR tree-optimization/22280
8637 * tree-sra.c (generate_element_init): Remove useless loop.
8639 2005-07-02 Richard Henderson <rth@redhat.com>
8641 * config/alpha/alpha.c (alpha_legitimize_address): Check for
8643 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
8645 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
8648 * fold-const.c (fold_binary): Handle the return value of
8649 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
8650 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
8652 2005-07-02 Jeff Law <law@redhat.com>
8654 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
8655 a eliminate type conversion which feeds an equality comparison
8656 if the original type or either operand in the comparison is a
8659 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
8661 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
8662 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
8664 * config/avr/avr.c: Do not use '`' as left quote.
8665 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
8666 Remove "." from end of diagnostics. Make diagnostics start with
8669 2005-07-02 Zack Weinberg <zack@codesourcery.com>
8670 Joseph S. Myers <joseph@codesourcery.com>
8672 * toplev.c (default_tree_printer): Handle setting location with
8674 * c-objc.common.c (c_tree_printer): Likewise.
8675 * c-format.c (gcc_diag_flag_specs): Add '+'.
8676 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
8677 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
8679 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
8680 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
8681 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
8682 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
8683 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
8684 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
8685 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
8686 format arguments where %J is used without %D.
8688 2005-07-02 Jakub Jelinek <jakub@redhat.com>
8690 * gcc.c (LINK_SSP_SPEC): Define.
8691 (link_ssp_spec): New variable.
8692 (LINK_COMMAND_SPEC): Add %(link_ssp).
8693 (static_specs): Add link_ssp_spec.
8694 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
8695 * configure: Rebuilt.
8696 * config.in: Rebuilt.
8698 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8699 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8700 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8701 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8702 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
8703 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
8704 -0x7008(2) instead of reading __stack_chk_guard variable.
8705 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
8707 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
8708 (stack_protect_set, stack_protect_test): Use *_tls* patterns
8709 if TARGET_THREAD_SSP_OFFSET is defined.
8710 (stack_tls_protect_set_si, stack_tls_protect_set_di,
8711 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
8714 2005-06-27 Richard Henderson <rth@redhat.com>
8715 * libgcc-std.ver (GCC_4.1.0): New.
8716 * libgcc.h (__stack_chk_guard): Declare.
8717 (__stack_chk_fail, __stack_chk_fail_local): Declare.
8718 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
8719 * mklibgcc.in (lib2funcs): Add them.
8721 2005-07-01 Richard Henderson <rth@redhat.com>
8723 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
8724 void * before struct sigcontext *.
8725 (x86_fallback_frame_state): Likewise.
8727 2005-07-01 James E. Wilson <wilson@specifixinc.com>
8729 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
8731 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
8734 * tree-ssa-reassoc.c (should_transpose): Fix which operand
8735 we check for SSA_NAME for.
8737 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
8739 Fix PR tree-optimization/22071
8741 * tree-ssa-structalias.c (offset_overlaps_with_access): New
8743 (get_constraint_for_component_ref): Use it.
8745 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
8748 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
8749 print out the last new line.
8751 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
8753 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
8754 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
8755 * config/cris/cris.c (cris_conditional_register_usage): Adjust
8756 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
8757 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
8758 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
8759 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
8760 (enum reg_class): New member CC0_REGS.
8761 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
8762 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
8763 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
8764 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
8765 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
8766 Adjust for register now described.
8768 2005-07-01 Jakub Jelinek <jakub@redhat.com>
8771 * config/i386/i386.md (stack_protect_test_si,
8772 stack_protect_test_di): Add earlyclobber for scratch 3.
8773 * config/rs6000/rs6000.md (stack_protect_testsi,
8774 stack_protect_testdi): Add earlyclobber for scratch 3,
8775 remove earlyclobber from scratch 4.
8777 Older entries for 2005 can be found in ChangeLog-2005.